This is a quality OER® reproduction of the power steering pump pulley.This pulley is stamped with the original GM part # 3770509, is single groove and 5-3/4" o.d.
This pulley is made from formed and machined steel with the correct key way fit design, is finished in satin black and features correct markings as original.
Applications:
Important Warning Concerning Steering Pump Pulleys: Stock replacement, aftermarket stamped steel or cast iron pulleys are not designed to exceed 400 horsepower or 6000 RPM. Using reproduction pulleys on engines in excess of these limits may result in catastrophic disintegration of the pulley causing severe damage to the engine, cooling system and body parts. OER® assumes no liability for damages caused by improper usage of pulleys. Please be sure to install the pulley properly to avoid damages that could occur from improper installation or exceeding the recommended RPM limitations.
You are assured that every OER® part offered is manufactured to exact specifications and will fit and function just like the original part. What's more, most OER® products are officially licensed and carry a full 1 year warranty against defects and workmanship. Far above most other manufacturers of restoration products, the OER® symbol denotes the finest restoration products on the market. Look for the OER® symbol before buying your restoration parts.
OER® was established in the early 1980's to manufacture original equipment reproductions where every part is meticulously reproduced to exact factory specifications. All OER® parts are reverse engineered or manufactured using original blueprints when available to ensure the closest possible reproduction available on the market. When available, original factory tooling is utilized to insure complete originality. Our mission is to supply the highest quality parts available for the enthusiast and serious restorer. Whether you're a serious restorer, or just someone who wants a replacement part for your classic vehicle, OER® is the source for the finest quality parts on the market. Today, OER® is the most recognized brand in automotive restoration parts. Choose OER® for all your restoration needs.
Many OER® products are officially licensed by General Motors and the Chrysler Group ensuring the quality and authenticity of these products. The GM Restoration Parts logo and the MOPAR Authentic Restoration Product logo are the true signs of quality. OER® is licensed by GM and the Chrysler Group as an official restoration parts manufacturer.
| Make | Model | Years |
| Chevrolet | Blazer | 1973 - 1974 |
| Chevrolet | C10 Pickup | 1973 - 1974 |
| Chevrolet | C10 Suburban | 1973 - 1975 |
| Chevrolet | C10 | 1975 |
| Chevrolet | C20 Pickup | 1973 - 1974 |
| Chevrolet | C20 Suburban | 1973 - 1975 |
| Chevrolet | C20 | 1975 |
| Chevrolet | C30 Pickup | 1973 - 1974 |
| Chevrolet | C30 | 1975 |
| Chevrolet | K10 Pickup | 1973 - 1974 |
| Chevrolet | K10 Suburban | 1973 - 1975 |
| Chevrolet | K10 | 1975 |
| Chevrolet | K20 Pickup | 1973 - 1974 |
| Chevrolet | K20 Suburban | 1973 - 1975 |
| Chevrolet | K20 | 1975 |
| Chevrolet | K30 Pickup | 1973 - 1974 |
| Chevrolet | K5 Blazer | 1975 |
| GMC | C15 Suburban | 1975 |
| GMC | C15/C1500 Pickup | 1973 - 1974 |
| GMC | C15/C1500 Suburban | 1973 - 1974 |
| GMC | C15 | 1975 |
| GMC | C25 Suburban | 1975 |
| GMC | C25/C2500 Pickup | 1973 - 1974 |
| GMC | C25/C2500 Suburban | 1973 - 1974 |
| GMC | C25 | 1975 |
| GMC | C35/C3500 Pickup | 1973 - 1974 |
| GMC | C35 | 1975 |
| GMC | Jimmy | 1973 - 1975 |
| GMC | K15 Suburban | 1975 |
| GMC | K15/K1500 Pickup | 1973 - 1974 |
| GMC | K15/K1500 Suburban | 1973 - 1974 |
| GMC | K15 | 1975 |
| GMC | K25 Suburban | 1975 |
| GMC | K25/K2500 Pickup | 1973 - 1974 |
| GMC | K25/K2500 Suburban | 1973 - 1974 |
| GMC | K25 | 1975 |
| GMC | K35/K3500 Pickup | 1973 - 1974 |
| GMC | Transmode | 1973 - 1974 |
