GM EVAP Leak Detection Pump
Genuine GM · Part #12741163 · Engine / Emissions
Genuine GM evaporative-emissions (EVAP) leak-detection pump.
- Part number
- 12741163
- Fits
- Chevrolet Silverado / Colorado, GMC Sierra / Canyon, Buick Envision (1.3L turbo / 2.7L applications); EVAP leak-detection pump.
- Replaces
12734328
- AutoNation price
- $59.34 (as of 2026-07-13)
Fitment note: The parts-catalog fitment shown above is confirmed, but the exact model years aren’t stated on the source listing. Confirm this part fits your specific vehicle with AutoNation Parts before ordering.
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Before you order
- Confirm it fits with your VIN before buying.
- The numbers under “Replaces” are older, superseded numbers — why GM part numbers change.
Details on this page were taken from the live AutoNation Parts listing (https://www.autonationparts.com/parts/gm-detection-pump-12741163) on 2026-07-13. Prices and availability can change — confirm on the retailer’s page before purchase.