High-Precision Flex Fuel Sensor for BUICK/CHEVROLET/GMC

OEM-Quality Construction
Engineered with corrosion-resistant stainless steel and high-grade polymer components for extreme durability. Features precision-machined fittings for leak-free performance.
Direct Fit & Easy Installation
Designed as an exact replacement for OEM part numbers 13507129 and 13577429. Plug-and-play compatibility with no ECU recalibration needed.
Optimized Biofuel Performance
Accurate ethanol content detection (E0-E85) with advanced thermal compensation. Ensures optimal air-fuel ratio for improved mileage and reduced emissions.
Rigorous Testing Standards
Factory-tested under 500+ pressure cycles and -40°F to 257°F temperature ranges. Meets SAE J2748 and OBD-II compliance.
Trusted Applications
Ideal for flex-fuel models including Chevy Silverado, GMC Sierra, and Buick LaCrosse. Critical for cold starts and high-altitude driving conditions.
Wholesale Advantage
Global bulk sourcing with unmatched price points. Ships factory-direct with full batch traceability.