/live/media/RB/RB_300934_Fro.jpg)
Dorman 300-934 Engine Water Pump Pulley
| Brand | Dorman 300-934 |
|---|---|
| Fits | Buick, Chevrolet, Oldsmobile, and Pontiac · 51 vehicles |
Direct replacement. Restores proper performance with a standard replacement pulley.
Steel construction. Durable material stands up to everyday engine bay demands.
Bolt-on attachment. Simplifies installation with a straightforward mounting design.
Cross-references 25534838 for the same application. See all 1.
Engine Water Pump Pulley Replacement
Dorman 300-934 is a direct replacement engine water pump pulley for specific Buick, Chevrolet, Oldsmobile, and Pontiac applications. Built from steel with a black finish, it restores the original pulley mounting and serpentine belt drive layout on supported vehicles.
Use this Dorman 300-934 pulley when the original water pump pulley is damaged, worn, or no longer running true. It is a standard replacement part for 1991-1995 Buick LeSabre, Park Avenue, and Regal; 1991-1995 Buick Riviera; 1995 Chevrolet Camaro; 1992-1995 Chevrolet Lumina APV; 1992-1995 Oldsmobile 88; 1991-1995 Oldsmobile 98; 1992-1995 Oldsmobile Silhouette; 1991-1995 Pontiac Bonneville; 1995 Pontiac Firebird; 1992-1995 Pontiac Trans Sport; 1991-1992 Oldsmobile Toronado; 1991 Buick Reatta; and 1991 Oldsmobile Delta 88.
- Direct replacement for the original water pump pulley
- Steel construction with black finish
- Serpentine pulley type with no grooves
- Bolt-on attachment with 4 bolt holes
- Standard replacement grade for select GM applications
Detailed Product Information
This engine water pump pulley is engineered for vehicles that use a serpentine belt system and a bolt-on pulley attachment. Key dimensions include a 5.09 in. diameter, 1.3 in. width, and 1.3 in. depth, with 0.26 in. bolt holes. The design supports proper belt alignment and pulley operation on the listed Buick, Chevrolet, Oldsmobile, and Pontiac models. Part number 300-934 also cross-references 25534838 for the same application.
What This Part Helps Address
- Cracked or bent water pump pulley
- Wobbling or misaligned pulley operation
- Noise from a damaged serpentine pulley surface
- Improper belt tracking on the water pump drive
- Replacement needs after pulley corrosion or wear
Installation Notes and Tips
Verify pulley diameter, bolt pattern, and serpentine belt routing before installation. This pulley uses a bolt-on attachment and does not include installation hardware or instructions. Confirm vehicle-specific fitment for your year, make, and model before ordering, especially on 1991-1995 Buick LeSabre, Park Avenue, Regal, and related GM applications.
Quality Assurance
Dorman manufactures this part as a standard replacement component for select OE applications. Part number 300-934 is built to match the original pulley style and mounting requirements for the listed vehicles.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Buick | LeSabre | — | — | N/A | — |
| 1995 | Buick | Park Avenue | — | — | N/A | — |
| 1995 | Buick | Regal | 3.8L | V6 | N/A | — |
| 1995 | Buick | Riviera | — | — | N/A | — |
| 1995 | Chevrolet | Camaro | 3.8L | V6 | N/A | — |
| 1995 | Chevrolet | Lumina APV | 3.8L | V6 | N/A | — |
| 1995 | Oldsmobile | 88 | — | — | N/A | — |
| 1995 | Oldsmobile | 98 | — | — | N/A | — |
| 1995 | Oldsmobile | Silhouette | — | — | N/A | — |
| 1995 | Pontiac | Bonneville | — | — | N/A | — |
| 1995 | Pontiac | Firebird | 3.8L | V6 | N/A | — |
| 1995 | Pontiac | Trans Sport | 3.8L | V6 | N/A | — |
| 1994 | Buick | LeSabre | — | — | N/A | — |
| 1994 | Buick | Park Avenue | — | — | N/A | — |
| 1994 | Buick | Regal | 3.8L | V6 | N/A | — |
| 1994 | Chevrolet | Lumina APV | 3.8L | V6 | N/A | — |
| 1994 | Oldsmobile | 88 | — | — | N/A | — |
| 1994 | Oldsmobile | 98 | — | — | N/A | — |
| 1994 | Oldsmobile | Silhouette | 3.8L | V6 | N/A | — |
| 1994 | Pontiac | Bonneville | — | — | N/A | — |
| 1994 | Pontiac | Trans Sport | 3.8L | V6 | N/A | — |
| 1993 | Buick | LeSabre | — | — | N/A | — |
| 1993 | Buick | Park Avenue | — | — | N/A | — |
| 1993 | Buick | Regal | 3.8L | V6 | N/A | — |
| 1993 | Buick | Riviera | — | — | N/A | — |
| 1993 | Chevrolet | Lumina APV | 3.8L | V6 | N/A | — |
| 1993 | Oldsmobile | 88 | — | — | N/A | — |
| 1993 | Oldsmobile | 98 | — | — | N/A | — |
| 1993 | Oldsmobile | Silhouette | 3.8L | V6 | N/A | — |
| 1993 | Pontiac | Bonneville | — | — | N/A | — |
| 1993 | Pontiac | Trans Sport | 3.8L | V6 | N/A | — |
| 1992 | Buick | LeSabre | — | — | N/A | — |
| 1992 | Buick | Park Avenue | — | — | N/A | — |
| 1992 | Buick | Regal | 3.8L | V6 | N/A | — |
| 1992 | Buick | Riviera | — | — | N/A | — |
| 1992 | Chevrolet | Lumina APV | 3.8L | V6 | N/A | — |
| 1992 | Oldsmobile | 88 | — | — | N/A | — |
| 1992 | Oldsmobile | 98 | — | — | N/A | — |
| 1992 | Oldsmobile | Silhouette | 3.8L | V6 | N/A | — |
| 1992 | Oldsmobile | Toronado | — | — | N/A | — |
| 1992 | Pontiac | Bonneville | — | — | N/A | — |
| 1992 | Pontiac | Trans Sport | 3.8L | V6 | N/A | — |
| 1991 | Buick | LeSabre | — | — | N/A | — |
| 1991 | Buick | Park Avenue | — | — | N/A | — |
| 1991 | Buick | Reatta | — | — | N/A | — |
| 1991 | Buick | Regal | 3.8L | V6 | N/A | — |
| 1991 | Buick | Riviera | — | — | N/A | — |
| 1991 | Oldsmobile | 98 | — | — | N/A | — |
| 1991 | Oldsmobile | Delta 88 | — | — | N/A | — |
| 1991 | Oldsmobile | Toronado | — | — | N/A | — |
| 1991 | Pontiac | Bonneville | — | — | N/A | — |
| No rows match your filter. | ||||||