{"product_id":"yaopei-o2-oxygen-sensor-kit-for-chevrolet-gmc-1996-2002-4-piece-set-oem-fit-stainless-housing","title":"YAOPEI O2 Oxygen Sensor Kit for Chevrolet \u0026 GMC 1996–2002 — 4-Piece Set, OEM Fit Stainless Housing","description":"\u003cp\u003e\u003cstrong\u003eYAOPEI's four-piece O2 oxygen sensor kit replaces worn upstream and downstream sensors on select Chevrolet, GMC and Cadillac V8\/V6 models from 1996–2002.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement set includes two 234-4012 and two 234-4018 sensors (upstream and downstream) engineered to match factory fit and wiring for many Chevy Silverado, Sierra, Tahoe, Suburban, Yukon, Express\/Savana vans, Avalanche and select Cadillac Escalade models. Each sensor is built with a corrosion-resistant stainless housing and anti-oxidant coating to withstand heat and road conditions while restoring proper oxygen signal feedback to your engine control unit. Before ordering, check the vehicle year\/make\/model and plug style against the product photos and interchange numbers listed to ensure correct compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eWill these sensors fit my Chevrolet or GMC truck?\u003c\/h3\u003e\n\u003cp\u003eThese sensors are specifically selected for late-1990s and early-2000s GM light trucks and full-size SUVs. Fitment covers many C\/K series, Silverado\/Sierra, Tahoe, Suburban, Yukon, Avalanche, Express\/Savana vans and a few Escalade years. Confirm fit by matching your vehicle year and the interchange numbers included below.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: Silverado\/Sierra 1500 \u0026amp; 2500, Tahoe, Suburban, Yukon, Avalanche, Express\/Savana vans, Escalade (selected years).\u003c\/li\u003e\n  \u003cli\u003eCovered years: primarily 1996–2002 depending on model and position.\u003c\/li\u003e\n  \u003cli\u003eInterchange numbers: 9617178, 234-4012, SG454, SG236, 13474, 234-4018.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow are these O2 sensors constructed and what benefits does that give?\u003c\/h3\u003e\n\u003cp\u003eEach sensor uses a dual laser-welded stainless-steel housing and an anti-oxidant coating to resist oxidation and high temperatures experienced near the exhaust. Those construction choices improve durability, help maintain accurate response time, and extend service life compared with untreated components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDual laser welds seal the unit for improved longevity and water resistance.\u003c\/li\u003e\n  \u003cli\u003eAnti-oxidant coating reduces corrosion and preserves sensor response speed.\u003c\/li\u003e\n  \u003cli\u003eStainless housing stands up to road debris, heat, and harsh environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the package and how difficult is installation?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships with four sensors: two 234-4018 and two 234-4012 units—arranged as two upstream (front) and two downstream (rear) sensors. Installation is straight bolt-on for compatible vehicles; no special modifications are required, though correct connector matching is essential.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage: 4 PCS oxygen sensors (2 × 234-4018, 2 × 234-4012), labeled for front and rear positions.\u003c\/li\u003e\n  \u003cli\u003ePositioning: 2 upstream (pre-catalytic) and 2 downstream (post-catalytic) sensors included.\u003c\/li\u003e\n  \u003cli\u003eInstallation: bolt-on replacement; verify plug shape and wiring before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich checks should I do before ordering to avoid a wrong purchase?\u003c\/h3\u003e\n\u003cp\u003eBecause GM used different sensor part numbers and connector types across model years, comparing the supplied pictures, plug shape and interchange numbers to your vehicle is crucial. If you are uncertain, contact the seller with your VIN or model details to confirm fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare the plug and sensor body in product photos to your current sensor.\u003c\/li\u003e\n  \u003cli\u003eCross-check your vehicle year\/make\/model with the listed fitment table.\u003c\/li\u003e\n  \u003cli\u003eUse interchange numbers (234-4012, 234-4018, 9617178, SG454, SG236, 13474) for parts matching.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This YAOPEI four-piece oxygen sensor kit is aimed at DIY mechanics and professional technicians working on GM full-size trucks, vans and SUVs from the 1996–2002 era who need a cost-effective direct-replacement set. It's also useful for owners refurbishing older vehicles where upstream and downstream sensors are due for simultaneous replacement. Always verify plug compatibility and part numbers before installing to ensure a proper fit and reliable operation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this kit include both upstream and downstream sensors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The package contains four sensors: two upstream (234-4018) and two downstream (234-4012).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I confirm these sensors will fit my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Match your year\/make\/model and connector style to the listed fitment and interchange numbers before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"YAOPEI","offers":[{"title":"Default Title","offer_id":55171401253207,"sku":"B0B2QQPSDB","price":68.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/yaopei-front-packaging-sensors.jpg?v=1790444210","url":"https:\/\/britishgarage.co.uk\/products\/yaopei-o2-oxygen-sensor-kit-for-chevrolet-gmc-1996-2002-4-piece-set-oem-fit-stainless-housing","provider":"British Garage","version":"1.0","type":"link"}