{"id":6364,"date":"2026-01-15T17:53:01","date_gmt":"2026-01-16T01:53:01","guid":{"rendered":"https:\/\/3waycatalyst.com\/?p=6364"},"modified":"2026-01-15T17:53:05","modified_gmt":"2026-01-16T01:53:05","slug":"oem-vs-aftermarket-catalytic-converter","status":"publish","type":"post","link":"https:\/\/3waycatalyst.com\/vi\/oem-vs-aftermarket-catalytic-converter\/","title":{"rendered":"\u0110\u1ed9 tin c\u1eady c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c OEM so v\u1edbi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c h\u1eadu m\u00e3i"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u <\/h2>\n\n\n\n

K\u1ef9 thu\u1eadt \u00f4 t\u00f4 hi\u1ec7n \u0111\u1ea1i \u01b0u ti\u00ean b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. M\u1ed7i xe s\u1eed d\u1ee5ng \u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong \u0111\u1ec1u s\u1eed d\u1ee5ng m\u1ed9t thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u1ec3 l\u00e0m s\u1ea1ch kh\u00ed th\u1ea3i. Thi\u1ebft b\u1ecb n\u00e0y l\u00e0... b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a>N\u00f3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 ch\u00ednh ch\u1ed1ng l\u1ea1i kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i. b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a> N\u00f3 kh\u00f4ng c\u00f3 c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng. Tuy nhi\u00ean, n\u00f3 li\u00ean t\u1ee5c th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ebfn \u0111\u1ed5i h\u00f3a h\u1ecdc ph\u1ee9c t\u1ea1p. N\u00f3 chuy\u1ec3n \u0111\u1ed5i c\u00e1c kh\u00ed \u0111\u1ed9c h\u1ea1i th\u00e0nh c\u00e1c ch\u1ea5t v\u00f4 h\u1ea1i tr\u01b0\u1edbc khi ch\u00fang tho\u00e1t ra kh\u1ecfi \u1ed1ng x\u1ea3.<\/p>\n\n\n\n

Ch\u1ee7 xe th\u01b0\u1eddng ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi l\u1ef1a ch\u1ecdn kh\u00f3 kh\u0103n khi b\u1ed9 ph\u1eadn n\u00e0y h\u1ecfng. H\u1ecd ph\u1ea3i ch\u1ecdn gi\u1eefa ph\u1ee5 t\u00f9ng ch\u00ednh h\u00e3ng (OEM) v\u00e0 c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf t\u1eeb b\u00ean th\u1ee9 ba. Quy\u1ebft \u0111\u1ecbnh n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a xe. N\u00f3 c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chi ph\u00ed b\u1ea3o tr\u00ec d\u00e0i h\u1ea1n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd kh\u00e1m ph\u00e1 nh\u1eefng kh\u00e1c bi\u1ec7t k\u1ef9 thu\u1eadt gi\u1eefa hai l\u1ef1a ch\u1ecdn n\u00e0y. Ch\u00fang ta s\u1ebd ph\u00e2n t\u00edch l\u00fd do t\u1ea1i sao \u0111\u1ed9 tin c\u1eady l\u1ea1i kh\u00e1c nhau \u0111\u00e1ng k\u1ec3 trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u1ed1ng x\u1ea3. Hi\u1ec3u r\u00f5... b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a> Gi\u00fap b\u1ea1n duy tr\u00ec m\u1ed9t chi\u1ebfc xe s\u1ea1ch s\u1ebd v\u00e0 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

Khoa h\u1ecdc c\u01a1 b\u1ea3n v\u1ec1 l\u1ecdc kh\u00ed th\u1ea3i<\/h2>\n\n\n\n

C\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u <\/a>N\u00f3 th\u1ef1c hi\u1ec7n ba nhi\u1ec7m v\u1ee5 \u0111\u1ed3ng th\u1eddi. N\u00f3 kh\u1eed oxit nit\u01a1 th\u00e0nh nit\u01a1 v\u00e0 oxy. N\u00f3 oxy h\u00f3a cacbon monoxit th\u00e0nh cacbon \u0111ioxit. Cu\u1ed1i c\u00f9ng, n\u00f3 oxy h\u00f3a hi\u0111rocacbon ch\u01b0a ch\u00e1y th\u00e0nh n\u01b0\u1edbc v\u00e0 cacbon \u0111ioxit. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t m\u00f4i tr\u01b0\u1eddng b\u00ean trong ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

M\u1ed9t l\u1edbp n\u1ec1n b\u1eb1ng g\u1ed1m ho\u1eb7c kim lo\u1ea1i n\u1eb1m b\u00ean trong l\u1edbp v\u1ecf th\u00e9p kh\u00f4ng g\u1ec9. L\u1edbp n\u1ec1n n\u00e0y th\u01b0\u1eddng c\u00f3 c\u1ea5u tr\u00fac d\u1ea1ng t\u1ed5 ong. C\u00e1c k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac t\u1ed5 ong n\u00e0y \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t. Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn \u0111\u1ea3m b\u1ea3o kh\u00ed th\u1ea3i ti\u1ebfp x\u00fac v\u1edbi v\u1eadt li\u1ec7u x\u00fac t\u00e1c. L\u1edbp ph\u1ee7 ngo\u00e0i (washcoat) mang c\u00e1c v\u1eadt li\u1ec7u x\u00fac t\u00e1c th\u1ef1c t\u1ebf. C\u00e1c v\u1eadt li\u1ec7u n\u00e0y bao g\u1ed3m c\u00e1c kim lo\u1ea1i qu\u00fd nh\u01b0 b\u1ea1ch kim, paladi v\u00e0 rhodium.<\/p>\n\n\n\n

C\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a> Ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao. C\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc ch\u1ec9 x\u1ea3y ra khi l\u00f5i \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. Nhi\u1ec7t \u0111\u1ed9 n\u00e0y th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 400 \u0111\u1ed9 Fahrenheit (kho\u1ea3ng 200 \u0111\u1ed9 C). C\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i hi\u1ec7u qu\u1ea3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 n\u00e0y m\u1ed9t c\u00e1ch nhanh ch\u00f3ng. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng kh\u00ed th\u1ea3i khi kh\u1edfi \u0111\u1ed9ng ngu\u1ed9i.<\/p>\n\n\n\n

K\u1ef9 thu\u1eadt OEM: Ti\u00eau chu\u1ea9n v\u00e0ng cho \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i<\/h2>\n\n\n\n

C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t OEM thi\u1ebft k\u1ebf m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u <\/a>\u0110\u1ed1i v\u1edbi t\u1eebng lo\u1ea1i \u0111\u1ed9ng c\u01a1 c\u1ee5 th\u1ec3, h\u1ecd \u0111i\u1ec1u ch\u1ec9nh th\u1ec3 t\u00edch ch\u1ea5t x\u00fac t\u00e1c sao cho ph\u00f9 h\u1ee3p v\u1edbi dung t\u00edch \u0111\u1ed9ng c\u01a1. H\u1ecd c\u0169ng xem x\u00e9t l\u01b0\u1ee3ng kh\u00ed th\u1ea3i c\u1ee5 th\u1ec3 c\u1ee7a lo\u1ea1i xe \u0111\u00f3. \u0110\u1ed9 ch\u00ednh x\u00e1c n\u00e0y \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 t\u1ed1i \u0111a.<\/p>\n\n\n\n

High Precious Metal Loading<\/h3>\n\n\n\n

OEM units contain significant amounts of precious metals. Platinum and palladium handle the oxidation of hydrocarbons. Rhodium manages the reduction of nitrogen oxides. Manufacturers do not cut corners on these materials. The high metal content allows the converter to function even as it ages. It provides a buffer against minor engine malfunctions.<\/p>\n\n\n\n

Strict Regulatory Compliance<\/h3>\n\n\n\n

United States federal law mandates strict standards for new vehicles. Manufacturers must guarantee the b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a> lasts for at least 8 years. They must also guarantee it for 80,000 miles. This legal requirement forces OEMs to use high-quality materials. They use thick stainless steel for the outer casing. They use high-grade ceramic for the honeycomb core.<\/p>\n\n\n\n

Perfect Fitment and Flow<\/h3>\n\n\n\n

Engineers design OEM converters to fit the specific contours of the vehicle chassis. This ensures easy installation. It also maintains the correct backpressure for the engine. Incorrect backpressure can reduce fuel economy. It can also cause premature wear on exhaust valves.<\/p>\n\n\n\n

\"B\u1ed9<\/a>
B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u: 7 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 OEM v\u00e0 ODM<\/a><\/figcaption><\/figure>\n\n\n\n

C\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf h\u1eadu m\u00e3i: G\u00f3c nh\u00ecn ti\u1ebft ki\u1ec7m<\/h2>\n\n\n\n

Aftermarket companies produce a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u <\/a>for a broad range of vehicles. One aftermarket part number might fit ten different car models. This universal approach reduces manufacturing costs. It also introduces several reliability variables.<\/p>\n\n\n\n

Reduced Metal Content<\/h3>\n\n\n\n

Aftermarket manufacturers often reduce the loading of precious metals. This is the primary reason why aftermarket converters cost less. They use enough metal to pass an emissions test when new. However, they lack the reserve found in OEM units. A lean-running engine can quickly poison a cheap converter. Small amounts of oil consumption can also destroy a low-end unit.<\/p>\n\n\n\n

Universal vs. Direct-Fit<\/h3>\n\n\n\n

Aftermarket units come in two styles. Direct-fit units mimic the OEM shape. Universal units require cutting and welding. Universal units often suffer from poor installation. Bad welds lead to exhaust leaks. These leaks introduce oxygen into the system. This oxygen confuses the oxygen sensors. This often triggers a Check Engine light.<\/p>\n\n\n\n

\"B\u1ed9<\/a>
B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u1eafp tr\u1ef1c ti\u1ebfp so v\u1edbi l\u1eafp to\u00e0n ph\u1ea7n: H\u01b0\u1edbng d\u1eabn d\u00e0nh cho nh\u00e0 nh\u1eadp kh\u1ea9u<\/a><\/figcaption><\/figure>\n\n\n\n

So s\u00e1nh k\u1ef9 thu\u1eadt d\u1eef li\u1ec7u \u0111\u1ed9 tin c\u1eady<\/h2>\n\n\n\n

The following table highlights the technical and economic differences between these categories.<\/p>\n\n\n\n

T\u00ednh n\u0103ng<\/th>OEM Three Way Catalytic Converter<\/th>High-Quality Aftermarket<\/th>Budget Aftermarket<\/th><\/tr><\/thead>
Precious Metal Content<\/strong><\/td>High (Maximum Loading)<\/td>Medium (EPA Compliant)<\/td>Low (Minimum Required)<\/td><\/tr>
Expected Lifespan<\/strong><\/td>100,000 \u2013 150,000+ Miles<\/td>50,000 \u2013 80,000 Miles<\/td>10,000 \u2013 25,000 Miles<\/td><\/tr>
Substrate Quality<\/strong><\/td>High-Grade Cordierite<\/td>Standard Ceramic<\/td>Low-Grade Ceramic<\/td><\/tr>
Warranty (Typical)<\/strong><\/td>8 Years \/ 80,000 Miles<\/td>5 Years \/ 50,000 Miles<\/td>1 Year \/ 12,000 Miles<\/td><\/tr>
Tr\u1ecb gi\u00e1<\/strong><\/td>High ($800 \u2013 $3,000+)<\/td>Moderate ($300 \u2013 $900)<\/td>Low ($100 \u2013 $250)<\/td><\/tr>
Ph\u00f9 h\u1ee3p<\/strong><\/td>100% Precise<\/td>Good (Direct Fit)<\/td>Poor (Requires Welding)<\/td><\/tr>
Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u1ec1 kh\u00ed th\u1ea3i<\/strong><\/td>EPA & CARB Guaranteed<\/td>EPA Standard<\/td>Variable<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Vai tr\u00f2 c\u1ee7a c\u00e1c c\u01a1 quan qu\u1ea3n l\u00fd: EPA v\u00e0 CARB<\/h2>\n\n\n\n

Government regulations dictate the design of every b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a>. The Environmental Protection Agency (EPA) sets federal standards. However, the California Air Resources Board (CARB) enforces much stricter rules.<\/p>\n\n\n\n

CARB-Compliant Converters<\/h3>\n\n\n\n

You must use CARB-compliant parts in California. Several other states also follow these rules. These aftermarket converters are more expensive. They contain more precious metals. They undergo rigorous testing. They must prove they can last for 50,000 miles or more. Using a non-compliant b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a> is illegal in these states. It will cause your vehicle to fail a state smog inspection.<\/p>\n\n\n\n

EPA Federal Standards<\/h3>\n\n\n\n

Federal EPA converters are suitable for states without California-style rules. They provide a cost-effective solution for older vehicles. However, they provide less long-term reliability than an OEM unit. Always verify the emissions label under your hood. This helps you choose the correct b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a>.<\/p>\n\n\n\n

V\u00ec sao b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u b\u1ecb h\u1ecfng s\u1edbm?<\/h2>\n\n\n\n

M\u1ed8T b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a> rarely fails on its own. External factors usually cause the damage. Understanding these factors helps you protect your investment.<\/p>\n\n\n\n

Engine Misfires<\/h3>\n\n\n\n

Unburnt fuel enters the exhaust during a misfire. This fuel ignites inside the b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a>. The resulting heat can melt the ceramic honeycomb core. A melted core restricts exhaust flow. This causes the engine to lose power or stall.<\/p>\n\n\n\n

Oil and Coolant Contamination<\/h3>\n\n\n\n

Worn piston rings introduce oil into the exhaust. Leaking head gaskets introduce coolant. These fluids coat the precious metals. This coating creates a barrier between the gas and the catalyst. This poisoning makes the converter useless. The engine computer then triggers a P0420 error code.<\/p>\n\n\n\n

Thermal Shock<\/h3>\n\n\n\n

Driving through deep water can rapidly cool a hot three way catalytic converter. This sudden temperature change shatters the ceramic substrate. The broken pieces then rattle inside the shell. They can also clog the muffler and stop the car.<\/p>\n\n\n\n

Advanced Substrate Technology and Flow Dynamics<\/h2>\n\n\n\n

The internal structure of a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a> determines its efficiency. Engineers focus on cell density. Cell density refers to the number of openings per square inch (CPSI).<\/p>\n\n\n\n

Most OEM units use a 400 or 600 CPSI substrate. A higher cell density increases the surface area. More surface area allows for better conversion of toxic gases. However, it also increases backpressure. High-performance aftermarket converters sometimes use metallic substrates with 200 CPSI. These allow better flow for racing applications. But they may not meet strict emission standards for daily driving.<\/p>\n\n\n\n

Modern ceramic substrates utilize cordierite. This material handles thermal expansion very well. It prevents the core from cracking during daily driving. Aftermarket companies sometimes use thinner cordierite walls to save money. These thinner walls are more prone to physical breakage.<\/p>\n\n\n\n

T\u01b0\u01a1ng lai c\u1ee7a c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd kh\u00ed th\u1ea3i<\/h2>\n\n\n\n

The automotive industry continues to evolve. While the b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a> remains the standard, new technologies emerge. Engineers are experimenting with close-coupled converters. These sit directly on the exhaust manifold. This position allows them to heat up faster. Faster heating reduces emissions during the first two minutes of driving.<\/p>\n\n\n\n

H\u01a1n n\u1eefa, xe hybrid \u0111\u1eb7t ra nh\u1eefng th\u00e1ch th\u1ee9c m\u1edbi. \u0110\u1ed9ng c\u01a1 hybrid th\u01b0\u1eddng xuy\u00ean b\u1eadt v\u00e0 t\u1eaft. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u s\u1ebd ngu\u1ed9i \u0111i trong ch\u1ebf \u0111\u1ed9 ch\u1ec9 s\u1eed d\u1ee5ng \u0111i\u1ec7n. C\u00e1c k\u1ef9 s\u01b0 hi\u1ec7n \u0111ang ph\u00e1t tri\u1ec3n c\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng b\u1eb1ng \u0111i\u1ec7n. C\u00e1c b\u1ed9 ph\u1eadn n\u00e0y s\u1eed d\u1ee5ng pin xe \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng lu\u00f4n s\u1eb5n s\u00e0ng l\u00e0m s\u1ea1ch kh\u00ed th\u1ea3i. Nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0y cho th\u1ea5y r\u1eb1ng... b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u <\/a>S\u1ebd v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c t\u00ednh th\u1eddi s\u1ef1 trong nhi\u1ec1u th\u1eadp k\u1ef7 t\u1edbi.<\/p>\n\n\n\n

Nh\u1eefng c\u00e2n nh\u1eafc v\u1ec1 kinh t\u1ebf: Chi ph\u00ed s\u1edf h\u1eefu th\u1ef1c s\u1ef1<\/h2>\n\n\n\n

Gi\u00e1 c\u1ea3 th\u01b0\u1eddng l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh khi mua b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u h\u1eadu m\u00e3i. M\u1ed9t b\u1ed9 ph\u1eadn ch\u00ednh h\u00e3ng d\u00e0nh cho xe SUV h\u1ea1ng sang c\u00f3 th\u1ec3 c\u00f3 gi\u00e1 2.500 \u0111\u00f4 la. Trong khi \u0111\u00f3, phi\u00ean b\u1ea3n h\u1eadu m\u00e3i c\u00f3 th\u1ec3 ch\u1ec9 c\u00f3 gi\u00e1 500 \u0111\u00f4 la.<\/p>\n\n\n\n

Chu k\u1ef3 thay th\u1ebf<\/h3>\n\n\n\n

Ph\u1ee5 t\u00f9ng ch\u00ednh h\u00e3ng th\u01b0\u1eddng r\u1ebb h\u01a1n n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng xe trong v\u00f2ng n\u0103m n\u0103m. M\u1ed9t ph\u1ee5 t\u00f9ng thay th\u1ebf gi\u00e1 r\u1ebb c\u00f3 th\u1ec3 h\u1ecfng trong v\u00f2ng m\u01b0\u1eddi t\u00e1m th\u00e1ng. Khi \u0111\u00f3 b\u1ea1n s\u1ebd ph\u1ea3i tr\u1ea3 ti\u1ec1n c\u00f4ng l\u1ea7n th\u1ee9 hai. B\u1ea1n c\u0169ng s\u1ebd ph\u1ea3i mua m\u1ed9t ph\u1ee5 t\u00f9ng kh\u00e1c. Nh\u1eefng chi ph\u00ed n\u00e0y nhanh ch\u00f3ng v\u01b0\u1ee3t qu\u00e1 gi\u00e1 tr\u1ecb c\u1ee7a kho\u1ea3n \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u v\u00e0o ph\u1ee5 t\u00f9ng ch\u00ednh h\u00e3ng.<\/p>\n\n\n\n

\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn gi\u00e1 tr\u1ecb b\u00e1n l\u1ea1i<\/h3>\n\n\n\n

Kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng \u01b0a chu\u1ed9ng nh\u1eefng chi\u1ebfc xe c\u00f3 ph\u1ee5 t\u00f9ng ch\u00ednh h\u00e3ng. Ph\u1ee5 t\u00f9ng thay th\u1ebf (aftermarket) l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n. b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u <\/a>Vi\u1ec7c s\u1eed d\u1ee5ng ph\u1ee5 t\u00f9ng ch\u00ednh h\u00e3ng c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a vi\u1ec7c b\u1ea3o tr\u00ec k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng. T\u1ea1i c\u00e1c khu v\u1ef1c c\u00f3 ki\u1ec3m tra nghi\u00eam ng\u1eb7t, ph\u1ee5 t\u00f9ng ch\u00ednh h\u00e3ng mang l\u1ea1i s\u1ef1 an t\u00e2m. N\u00f3 \u0111\u1ea3m b\u1ea3o xe s\u1ebd v\u01b0\u1ee3t qua b\u00e0i ki\u1ec3m tra kh\u00ed th\u1ea3i ti\u1ebfp theo m\u00e0 kh\u00f4ng g\u1eb7p v\u1ea5n \u0111\u1ec1 g\u00ec.<\/p>\n\n\n\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t t\u1ed1i \u01b0u \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 tin c\u1eady t\u1ed1i \u0111a<\/h2>\n\n\n\n

Vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a s\u1ea3n ph\u1ea9m. b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a>C\u00e1c th\u1ee3 m\u00e1y ph\u1ea3i tu\u00e2n theo c\u00e1c b\u01b0\u1edbc c\u1ee5 th\u1ec3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00e0nh c\u00f4ng.<\/p>\n\n\n\n

    \n
  1. Kh\u1eafc ph\u1ee5c nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5:<\/strong>\u00a0Kh\u00f4ng bao gi\u1edd thay th\u1ebf b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c m\u00e0 kh\u00f4ng kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 \u0111\u1ed9ng c\u01a1. Tr\u01b0\u1edbc ti\u00ean, h\u00e3y ch\u1ea9n \u0111o\u00e1n hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00e1nh l\u1eeda sai v\u00e0 r\u00f2 r\u1ec9 d\u1ea7u.<\/li>\n\n\n\n
  2. Ki\u1ec3m tra c\u1ea3m bi\u1ebfn oxy:<\/strong>\u00a0C\u1ea3m bi\u1ebfn oxy c\u0169 ph\u1ea3n \u1ee9ng ch\u1eadm. Ch\u00fang c\u00f3 th\u1ec3 khi\u1ebfn \u0111\u1ed9ng c\u01a1 ho\u1ea1t \u0111\u1ed9ng v\u1edbi l\u01b0\u1ee3ng nhi\u00ean li\u1ec7u qu\u00e1 d\u01b0 th\u1eeba. L\u01b0\u1ee3ng nhi\u00ean li\u1ec7u d\u01b0 n\u00e0y s\u1ebd l\u00e0m h\u1ecfng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c m\u1edbi.<\/li>\n\n\n\n
  3. Ki\u1ec3m tra c\u00e1c gi\u00e1 \u0111\u1ee1 \u1ed1ng x\u1ea3:<\/strong>\u00a0Rung \u0111\u1ed9ng c\u00f3 th\u1ec3 l\u00e0m n\u1ee9t l\u00f5i g\u1ed1m. H\u00e3y \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c m\u00f3c treo \u0111\u1ec1u trong t\u00ecnh tr\u1ea1ng t\u1ed1t.<\/li>\n\n\n\n
  4. Th\u1ef1c hi\u1ec7n chu k\u1ef3 ch\u1ea1y r\u00e0:<\/strong>\u00a0B\u1ed9 chuy\u1ec3n \u0111\u1ed5i m\u1edbi c\u1ea7n chu k\u1ef3 l\u00e0m n\u00f3ng nh\u1eb9 nh\u00e0ng. Tr\u00e1nh t\u0103ng t\u1ed1c h\u1ebft ga trong 50 d\u1eb7m \u0111\u1ea7u ti\u00ean.<\/li>\n<\/ol>\n\n\n\n

    T\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ea5t x\u00fac t\u00e1c<\/h2>\n\n\n\n

    L\u1ef1a ch\u1ecdn ch\u1ea5t l\u01b0\u1ee3ng cao b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a> c\u00f3 l\u1ee3i cho m\u00f4i tr\u01b0\u1eddng. C\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p th\u01b0\u1eddng cho ph\u00e9p nhi\u1ec1u ch\u1ea5t \u0111\u1ed9c h\u1ea1i th\u1ea3i v\u00e0o kh\u00f4ng kh\u00ed. Nh\u1eefng ch\u1ea5t \u0111\u1ed9c h\u1ea1i n\u00e0y g\u00f3p ph\u1ea7n g\u00e2y ra kh\u00f3i b\u1ee5i v\u00e0 m\u01b0a axit. H\u01a1n n\u1eefa, quy tr\u00ecnh s\u1ea3n xu\u1ea5t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u ti\u00eau t\u1ed1n nhi\u1ec1u carbon. Vi\u1ec7c thay th\u1ebf m\u1ed9t b\u1ed9 ph\u1eadn r\u1ebb ti\u1ec1n c\u1ee9 hai n\u0103m m\u1ed9t l\u1ea7n s\u1ebd l\u00e0m t\u0103ng t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

    B\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn ph\u1ee5 t\u00f9ng ch\u00ednh h\u00e3ng (OEM) b\u1ec1n b\u1ec9 ho\u1eb7c ph\u1ee5 t\u00f9ng thay th\u1ebf cao c\u1ea5p, b\u1ea1n s\u1ebd gi\u1ea3m thi\u1ec3u ch\u1ea5t th\u1ea3i. Nh\u1eefng b\u1ed9 ph\u1eadn n\u00e0y s\u1eed d\u1ee5ng kim lo\u1ea1i qu\u00fd hi\u1ec7u qu\u1ea3 h\u01a1n. Ch\u00fang c\u0169ng c\u00f3 tu\u1ed5i th\u1ecd cao h\u01a1n nhi\u1ec1u. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m nhu c\u1ea7u khai th\u00e1c b\u1ea1ch kim v\u00e0 paladi th\u01b0\u1eddng xuy\u00ean. \u0110\u1ea7u t\u01b0 v\u00e0o \u0111\u1ed9 tin c\u1eady ch\u00ednh l\u00e0 \u0111\u1ea7u t\u01b0 v\u00e0o s\u1ef1 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng to\u00e0n c\u1ea7u.<\/p>\n\n\n\n

    Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n

    C\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a> \u0110\u00e2y l\u00e0 m\u1ed9t ki\u1ec7t t\u00e1c v\u1ec1 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa ph\u1ee5 t\u00f9ng ch\u00ednh h\u00e3ng (OEM) v\u00e0 ph\u1ee5 t\u00f9ng thay th\u1ebf (aftermarket) \u0111\u00f2i h\u1ecfi s\u1ef1 c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng. Ph\u1ee5 t\u00f9ng ch\u00ednh h\u00e3ng mang l\u1ea1i \u0111\u1ed9 tin c\u1eady v\u00e0 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i. Ch\u00fang s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u cao c\u1ea5p v\u00e0 k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c. Ph\u1ee5 t\u00f9ng thay th\u1ebf cung c\u1ea5p gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c xe c\u0169.<\/p>\n\n\n\n

    Tuy nhi\u00ean, ch\u1ea5t l\u01b0\u1ee3ng h\u00e0ng ph\u1ee5 t\u00f9ng thay th\u1ebf tr\u00ean th\u1ecb tr\u01b0\u1eddng r\u1ea5t kh\u00e1c nhau. Lu\u00f4n ch\u1ecdn c\u00e1c th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn v\u1edbi ch\u1ebf \u0111\u1ed9 b\u1ea3o h\u00e0nh t\u1ed1t. \u0110\u1ea3m b\u1ea3o ph\u1ee5 t\u00f9ng \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n EPA ho\u1eb7c CARB t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng c\u1ee7a b\u1ea1n. B\u1ea3o v\u1ec7 quy\u1ec1n l\u1ee3i c\u1ee7a b\u1ea1n b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u <\/a>M\u1ecdi th\u1ee9 b\u1eaft \u0111\u1ea7u t\u1eeb m\u1ed9t \u0111\u1ed9ng c\u01a1 kh\u1ecfe m\u1ea1nh. B\u1ea3o d\u01b0\u1ee1ng th\u01b0\u1eddng xuy\u00ean gi\u00fap ng\u0103n ng\u1eeba s\u1ef1 nhi\u1ec5m b\u1ea9n l\u00e0m h\u1ecfng c\u00e1c b\u1ed9 ph\u1eadn n\u00e0y. Cho d\u00f9 b\u1ea1n ch\u1ecdn ph\u1ee5 t\u00f9ng ch\u00ednh h\u00e3ng hay ph\u1ee5 t\u00f9ng thay th\u1ebf ch\u1ea5t l\u01b0\u1ee3ng cao, quy\u1ebft \u0111\u1ecbnh c\u1ee7a b\u1ea1n \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00fai ti\u1ec1n. N\u00f3 c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed ch\u00fang ta h\u00edt th\u1edf.<\/p>","protected":false},"excerpt":{"rendered":"

    Kh\u00e1m ph\u00e1 l\u00fd do t\u1ea1i sao b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u OEM c\u00f3 \u0111\u1ed9 tin c\u1eady v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c l\u1ef1a ch\u1ecdn h\u1eadu m\u00e3i. Ch\u00fang t\u00f4i ph\u00e2n t\u00edch h\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i, tu\u1ed5i th\u1ecd v\u00e0 ti\u00eau chu\u1ea9n EPA d\u00e0nh cho ch\u1ee7 s\u1edf h\u1eefu xe.<\/p>","protected":false},"author":1,"featured_media":6365,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowgdPcCw:productID":"","footnotes":""},"categories":[98],"tags":[1610,1607,1606,1608,1605,1609,99],"class_list":["post-6364","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide","tag-automotive-repair","tag-catalytic-converter-reliability","tag-epa-carb-compliance","tag-exhaust-emission-standards","tag-oem-vs-aftermarket","tag-precious-metal-content","tag-three-way-catalytic-converter-2"],"_links":{"self":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/6364","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/comments?post=6364"}],"version-history":[{"count":1,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/6364\/revisions"}],"predecessor-version":[{"id":6366,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/6364\/revisions\/6366"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media\/6365"}],"wp:attachment":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media?parent=6364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/categories?post=6364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/tags?post=6364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}