1. Full OE Replacement Part Number Match Directly replaces OEM/Interchange part numbers: 12589016, BTR89016, Mahle B31822, 11561455, 61220G, 83470, 150106, MF127, 551269, 551950, 73115; Strictly manufactured to factory OEM specifications for a seamless direct fit, ideal for stock engine rebuilds and high-performance upgrades.
2. Wide Compatibility for GM Series Engines & Models Fits Chevy/GMC/Cadillac/Buick/Pontiac 1997-2023 models with Gen 3/4/5 LS/LT non-VVT engines (LS1/LS2/LS3/LS6/LSX/LQ4/LQ9/LM7/LT1/LT4/L83/L84/L86/L87); Compatible with 4.8L/5.3L/6.0L/6.2L V8 Vortec, including Silverado 1500/2500/3500, Sierra, Corvette, Tahoe, Yukon, Escalade, CTS, Camaro, Avalanche, Suburban, Trailblazer, Impala, Express, Savana, Envoy, Firebird, GTO, Grand Prix, Rainier.
3. Upgraded Heavy-Duty Construction & Leak-Proof Sealing Crafted from high-strength oxide-coated solid steel—rustproof, high hardness, deformation-resistant and built for long-term service; Integrated orange O-ring gasket seals vital front oil passages (feeds lifters/cam/main bearings), preventing oil loss and maintaining consistent oil pressure, effectively stopping camshaft oil leaks.
4. Complete Installation Kit & Precision Performance Includes 1 camshaft retainer plate gasket + 4 countersunk T40 Torx tapered bolts (one-time use) for secure, flush installation—no extra hardware needed; Eliminates camshaft end play/walk, restores precise engine timing, reduces premature thrust bearing wear and protects your engine investment for street/strip/racing applications.
【SUPREME-QUALITY AFTER-SALE SERVICE】: If any damages from transportation or malfunctions occur, we'll offer free returns or exchanges. We are always dedicated to providing extraordinary products and services; please don't hesitate to reach out to us via email. (Note: Please check compatibility with your car model before purchase.)