Dorman 300-140 power steering pump pulley for the 1994-2003 Chevrolet S10 and other vehicles turns the power steering pump from the serpentine belt. It is a direct replacement for the original pulley.
- Dorman OE Solutions product line
- Steel construction with a press-fit mount
- Five grooves for a serpentine belt
- Replaces a pulley that failed from road-debris contamination or was damaged during service
Quick facts
- Part: Dorman 300-140 power steering pump pulley
- Fits: 1994-2003 Chevrolet S10 and other vehicles
- Material: Steel
- Condition: New
A pulley with a wobble, damaged grooves or debris packed in the grooves can show up as belt squeal or heavy steering. Before you replace the pulley, rule out the belt, the tensioner and the pump itself, since a squeal or stiff steering can start in any of them.
Fits
This pulley fits the 1994-2003 Chevrolet S10, the 1994-2003 GMC Sonoma and the 1994-1995 Chevrolet LLV, with one pulley per vehicle.
Specifications
Fit and size
- Outside diameter: 5.55 in
- Pulley bore: 0.748 in
- Grooves: 5
- Belt type: serpentine
- Quantity per vehicle: 1
Build and materials
- Material: steel
- Mount type: press-fit
- Condition: new
- Country of origin: China
In the box
One power steering pump pulley. Mounting hardware and installation instructions are not included, so plan on new hardware where the job calls for it.
Frequently Asked Questions
Is the Dorman power steering pump pulley right for the 1994-1995 Chevrolet LLV?
Yes. Dorman 300-140 is listed for the 1994-1995 Chevrolet LLV, and that vehicle takes a single pulley.
Does the Dorman power steering pulley fit the 1994-2003 GMC Sonoma?
Yes. Dorman 300-140 is listed for the 1994-2003 GMC Sonoma, and that truck takes one pulley.
Does the press-fit 300-140 pulley come with mounting hardware?
No. This listing is one steel pulley only. Mounting hardware and installation instructions are not included.
How many grooves does this steel pulley have?
Dorman 300-140 has five grooves for a serpentine belt. It measures 5.55 in across the outside and has a 0.748 in bore.
How can I spot a damaged power steering pump pulley on a serpentine drive?
With the engine off and cool, look for a wobbling pulley, damaged grooves or debris packed in the grooves. A shop can test anything beyond that.
