⌛【Vehicle Compatibility】Fits 1988–1992 Chevrolet C1500 Scottsdale (Standard/Extended Cab, 4.3L/5.0L/5.7L); 1988–1993 Chevrolet C1500 Silverado/Cheyenne (Standard/Extended Cab, 4.3L/5.0L/5.7L); 1990–1992 Chevrolet C1500 WT (Standard Cab, 4.3L/5.0L/5.7L). Double-check your vehicle specs before purchase for a perfect fit.
⌛【Replacement Part Numbers】Direct replacement for part numbers: 7849167, 7832904, 7849163, 53005087, 32270. Verify your old part's number matches one of these to ensure seamless compatibility and trouble-free installation.
⌛【Superior Performance & Durability】Delivers stable, calibrated airflow during cold starts to boost secondary combustion and fast catalytic converter light-off. Leak-free pump body, pipes and joints; corrosion-resistant metal construction; high-temp wear-resistant internal components and seals for 100,000+ km longevity and reliable continuous start-stop performance with low energy consumption.
⌛【Quiet Operation & Emission Compliance】Runs smoothly with cold-start noise ≤ 65-70 dB—no annoying whistling or vibration. Perfectly matched interfaces, mounting holes and plugs for plug-and-play installation. Meets strict emission standards, eliminates check engine lights and fault codes. 100% tested for no jamming, with pressure and flow rates meeting factory specifications; no sand holes or cracks on the surface, and intact seals.
⌛【Easy Installation】Package includes 1 secondary air injection smog pump (as pictured). Features a precision structural design for tool-friendly, no-professional-needed installation. Simplifies traditional setup steps, cuts down installation time significantly, and ensures stable, secure mounting with zero loosening risks.