I personally worked on a 2021 with 375,000km. It needed a water pump.
Pros: high mileage
Cons: water pump failure
Mileage: 375000 km
Reviews of GENERAL MOTORS water pump
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Gm has done this to me with a water pump. Nothing like factory, none of the markings, generic gm sticker. Part looks like the generic China versions on Amazon.
Cons: nothing like factory
I have a family member with a 2004 4.2 w/170,000 miles. It’s been very reliable. It had some evac valve replaced many years ago and I recently did the water pump as the bearing had some play, but no leak. Almost zero rust. An exhaust heat shield rattles currently. It wouldn’t shift into 4WD for a time, but new transfer case fluid fixed that - (it’s not maintained super well).
Pros: very reliable, almost zero rust
Cons: evac valve replaced, water pump bearing play, exhaust heat shield rattles
Vehicle:
Chevrolet TrailBlazer
Mileage: 170000 km
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What we know about GENERAL MOTORS water pump
The brand is registered in USA. Official website: https://www.gm.com/.
In March 2026, PartReview does not yet have a formed opinion of GENERAL MOTORS water pump. This part is not in the ranking due to insufficient reviews. You can help by adding a review for GENERAL MOTORS water pump.
Currently there are 3 reviews and 10 votes. Average rating — 2.6 out of 5. Vote balance: 5 up, 5 down.
Users also evaluated the qualities of GENERAL MOTORS water pump:
- Leaks - coolant traces around the pump or from the weep hole - rated ambivalently. 2.5 points out of 5.
- Noise - whine or growl coming from the pump area - rated ambivalently. 3 points out of 5.
- Overheating - temperature rises, especially with the a/c on - no rating yet
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