OER reproduction crankshaft pulley for various GM 1963-68 small block motors with short water pump. This crankshaft pulley is a double-groove pulley that measures 6-3/4" diameter. Stamped with GM # 3744043.
Note: Can be use with a G7190 pulley to make a 3 groove pulley.
Important Warning Concerning Crankshaft Pulleys. Stock replacement, aftermarket stamped s teel 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 catastophic disintegration of the pulley causing severe damage to the engine, cooling system an d 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.
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 | 3100 | 1959 |
| Chevrolet | 3B | 1959 |
| Chevrolet | 3C | 1959 |
| Chevrolet | 3D | 1959 |
| Chevrolet | 3E | 1959 |
| Chevrolet | 3F | 1959 |
| Chevrolet | 3G | 1959 |
| Chevrolet | Blazer | 1969 - 1972 |
| Chevrolet | C10 Panel | 1960 - 1967 |
| Chevrolet | C10 Pickup | 1960 - 1972 |
| Chevrolet | C10 Suburban | 1967 - 1972 |
| Chevrolet | C20 Panel | 1967 |
| Chevrolet | C20 Pickup | 1960 - 1972 |
| Chevrolet | C20 Suburban | 1967 - 1972 |
| Chevrolet | C30 Panel | 1960 - 1966 |
| Chevrolet | C30 Pickup | 1960 - 1972 |
| Chevrolet | C40 | 1960 - 1962 |
| Chevrolet | El Camino | 1966 - 1972 |
| Chevrolet | K10 Pickup | 1960 - 1972 |
| Chevrolet | K10 Suburban | 1967 - 1972 |
| Chevrolet | K20 Panel | 1967 |
| Chevrolet | K20 Pickup | 1960 - 1972 |
| Chevrolet | K20 Suburban | 1967 - 1972 |
| Chevrolet | K30 Pickup | 1968 - 1972 |
| Chevrolet | P10 Series | 1960 - 1967 |
| Chevrolet | P20 Series | 1960 - 1967 |
| Chevrolet | P30 Series | 1960 - 1967 |
| Chevrolet | Sedan Delivery | 1955 - 1960 |
| Chevrolet | Suburban | 1955 - 1966 |
| Chevrolet | Truck | 1955 - 1960 |
| GMC | 100-22 | 1955 |
| GMC | 1000 Series | 1960 - 1965 |
| GMC | 1000 | 1966 |
| GMC | 100 | 1955 - 1959 |
| GMC | 150-22 | 1955 |
| GMC | 1500 Series | 1960 - 1965 |
| GMC | 1500 | 1966 |
| GMC | 150 | 1955 - 1959 |
| GMC | 250-22 | 1955 |
| GMC | 2500 Series | 1960 - 1965 |
| GMC | 2500 | 1966 |
| GMC | 250 | 1955 - 1959 |
| GMC | 280-22 | 1955 |
| GMC | 3000 | 1960 - 1966 |
| GMC | 300 | 1955 - 1959 |
| GMC | 350-8 | 1955 - 1959 |
| GMC | 3500 | 1960 - 1966 |
| GMC | 370 | 1955 - 1959 |
| GMC | B3500 | 1964 - 1965 |
| GMC | C15/C1500 Pickup | 1967 - 1972 |
| GMC | C15/C1500 Suburban | 1967 - 1972 |
| GMC | C25/C2500 Pickup | 1967 - 1972 |
| GMC | C25/C2500 Suburban | 1967 - 1972 |
| GMC | C35/C3500 Pickup | 1967 - 1972 |
| GMC | F350 | 1955 - 1959 |
| GMC | F370 | 1955 - 1959 |
| GMC | FM340 | 1955 - 1959 |
| GMC | FM350 | 1955 - 1959 |
| GMC | G1000 Series | 1963 - 1966 |
| GMC | I1000 | 1964 - 1966 |
| GMC | I1500 | 1965 - 1966 |
| GMC | I2500 | 1965 - 1966 |
| GMC | I3500 | 1966 |
| GMC | Jimmy | 1970 - 1972 |
| GMC | K1000 Pickup | 1966 |
| GMC | K1000 | 1966 |
| GMC | K15/K1500 Pickup | 1966 - 1972 |
| GMC | K15/K1500 Suburban | 1967 - 1972 |
| GMC | K25/K2500 Pickup | 1966 - 1972 |
| GMC | K25/K2500 Suburban | 1967 - 1972 |
| GMC | K35/K3500 Pickup | 1968 - 1972 |
| GMC | L3500 | 1965 - 1967 |
| GMC | LI3500 | 1966 - 1967 |
| GMC | M300 | 1955 - 1959 |
| GMC | M340 | 1955 - 1956 |
| GMC | P1000 | 1966 |
| GMC | PB1000 Series | 1961 - 1966 |
| GMC | PB15 Series | 1966 |
| GMC | PB1500 Series | 1963 - 1965 |
| GMC | PB25 Series | 1966 |
| GMC | PB2500 Series | 1963 - 1965 |
| GMC | PM150 | 1955 - 1959 |
| GMC | PM151 | 1955 - 1959 |
| GMC | PM152 | 1955 - 1959 |
| GMC | PM153 | 1955 - 1959 |
| GMC | PM250 | 1955 - 1959 |
| GMC | PM251 | 1956 - 1959 |
| GMC | PM252 | 1955 - 1958 |
| GMC | PM253 | 1955 - 1958 |
| GMC | PV1000 | 1960 |
| GMC | S300 | 1955 - 1959 |
| GMC | S370 | 1955 - 1959 |
| GMC | Sprint | 1971 - 1972 |
| GMC | Suburban | 1955 - 1966 |
| GMC | Truck | 1955 - 1960 |
| GMC | V3000 Forward Control | 1960 - 1963 |
