Duramax LB7 Water Pump 2001-2004 ACDelco 252-838
Duramax LB7 Water Pump 2001-2004 ACDelco 252-838
ACDelco engine water pump for the Duramax LB7 (2001-2004). Listed for one application: Duramax LB7 engines, 2001-2004, in Chevrolet, GMC applications. Confirm your engine code and year against this listing before ordering.
What it does
The water pump circulates coolant through the block, heads and radiator. A weeping seal, a failing bearing or an eroded impeller means overheating on the next hot day. A new pump with a fresh gasket restores full coolant flow.
Fits
- Chevrolet vehicles with the Duramax LB7 engine, 2001-2004
- GMC vehicles with the Duramax LB7 engine, 2001-2004
Fixes
- coolant weep from the pump weep hole
- bearing growl or a wobbling pulley
- overheating at idle or under load
- a timing or belt job where the pump is off anyway
What's included
- the water pump assembly
- gasket or O-ring where supplied
Specifications
- Brand: ACDelco
- Part number: 252-838
- Shipping weight: 9.8 lb
- Condition: new
- Product type: Water Pump
Cross-reference
Replaces or interchanges with ACDelco 252-838 for the Duramax LB7. Check the part number stamped on your original before ordering.
Free shipping on orders of $70 or more; everything else ships with calculated shipping at the part's real weight. Questions on fitment? Ask a tech before you buy.