{"product_id":"catalytic-converter-for-gmc-jimmy-2000-2001-4-3l-front","title":"Catalytic Converter for GMC Jimmy (2000-2001) 4.3L Front","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Front Catalytic Converter for 2000-2001 GMC Jimmy (S-15 \/ GMT330)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The front catalytic converter treats raw exhaust emissions on the 2000-2001 GMC Jimmy while restoring factory exhaust velocity and eliminating P0420 diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock GMC Jimmy Catalyst Degradation\u003c\/h3\u003e\n\u003cp\u003eOver extended mileage, the factory catalytic converter on the \u003cstrong\u003eGMT330\u003c\/strong\u003e platform suffers from thermal stress, oil fouling, and internal washcoat attrition. The OEM ceramic monolith breaks down, causing substrate fracture, channel sintering, and exhaust gas backpressure spikes. On the \u003cstrong\u003eVortec 4300 (LU3\/L35)\u003c\/strong\u003e, excessive backpressure strangles high-load exhaust scavenging, accelerates valve seat thermal wear, and triggers downstream oxygen sensor efficiency faults (CEL P0420\/P0430).\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis front direct-fit catalytic converter utilizes a heavy-duty stainless steel outer shell engineered to resist road salt corrosion and thermal cycling fractures. Internally, a high-porosity ceramic honeycomb substrate features an optimized washcoat loaded with noble metal catalysts (platinum, palladium, and rhodium) to efficiently oxidize hydrocarbons and carbon monoxide while reducing nitrogen oxides. Thick, CNC-machined direct-fit mounting flanges and integrated O2 sensor bungs eliminate the need for custom cutting or welding, bolting directly to the factory manifold Y-pipe and intermediate exhaust tubing.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2000-2001 GMC Jimmy\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003e4.3L Vortec V6 (L35)\u003c\/strong\u003e \/ \u003cstrong\u003eGMT330 (S-Series)\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e190 hp \/ 250 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cstrong\u003e15006096\u003c\/strong\u003e, 50376, 50542, 19471\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2000 GMC Jimmy 4-Door 4WD 4.3L V6\u003c\/li\u003e\n  \u003cli\u003e2001 GMC Jimmy 4-Door 4WD 4.3L V6\u003c\/li\u003e\n  \u003cli\u003eFits Front (undercar) exhaust position only\u003c\/li\u003e\n  \u003cli\u003eEPA compliant (46-State legal; not legal for sale or use in CA, NY, CO, or ME)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the GMT330 Jimmy?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2000-2001 GMC Jimmy 4-door 4WD equipped with the \u003cstrong\u003e4.3L Vortec V6\u003c\/strong\u003e engine.\u003c\/p\u003e\n\n\u003ch4\u003eWill this unit clear downstream catalyst efficiency trouble codes?\u003c\/h4\u003e\n\u003cp\u003eYes, provided upstream fueling and ignition systems are operating correctly, this unit restores OEM conversion efficiency and turns off P0420\/P0430 codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe GMC Truck Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle severe duty cycles and rough terrain, this replacement assembly maintains the rugged towing capability and exhaust durability expected of a GMT-platform 4WD truck.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67537830117624,"sku":"DS-ESF66VU3K","price":265.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-gmc-jimmy-2000-2001-4-3l-front-1.jpg?v=1790618042","url":"https:\/\/performancechiptuning.com\/fr\/products\/catalytic-converter-for-gmc-jimmy-2000-2001-4-3l-front","provider":"Performance Chip Tuning","version":"1.0","type":"link"}