Water Pump Compatible With 1991-1993 Buick Roadmaster 1992-1993 Chevrolet Caprice 1991-1992 Olds

REPLACES OEM PART NUMBERS:
• GM 505111
• GM 10105139
• GM 12458922
• GM 12458923
• GM 12522034

SPECIFICATIONS:
• Type: Water Pump
• Condition: New
• Housing: Cast Iron
• Impeller: Metal
• Hub: 6.93/2.62 in.
• Drive: Serpentine Belt
• Rotation: Reverse
• Pulley: No
• Engine: 5.7L V8 350

APPLICATIONS:
• Buick Roadmaster 5.7L V8 1991-1993
• Chevrolet Caprice 5.7L V8 1992-1993
• Oldsmobile Custom Cruiser 5.7L V8 1991-1992
• Chevrolet Commercial Chassis 5.7L V8 1993
• Buick Commercial Chassis 5.7L V8 1991-1993

PRODUCT DETAILS:
This direct replacement water pump features heavy-duty cast iron construction with a precision-formed metal impeller for reliable coolant flow in the 5.7L V8 350 cubic inch L05 TBI engine found in 1991 through 1993 General Motors B-body full-size vehicles. The serpentine belt-driven reverse rotation design ensures proper factory equivalent installation as a direct replacement for GM original equipment part numbers 505111 10105139 12458922 12458923 and 12522034. The reverse rotation is critical for proper cooling system operation and must be matched when replacing the water pump on these vehicles. Compatible with the 1991 through 1993 Buick Roadmaster the 1992 through 1993 Chevrolet Caprice the 1991 through 1992 Oldsmobile Custom Cruiser and the Chevrolet and Buick Commercial Chassis. These were the last generation of traditional American full-size rear-wheel-drive sedans and wagons powered by the reliable L05 5.7L V8 with throttle body fuel injection producing 180 horsepower. The B-body platform served as the foundation for police pursuit vehicles funeral coaches and livery cars making durability and cooling system reliability essential. The rugged cast iron housing provides superior thermal mass and the tall 6.93 inch hub height ensures proper serpentine belt alignment. Features a permanently sealed bearing assembly for dependable leak-free operation. Engineered for demanding B-body fleet and commercial applications.

⚠️ Verify fitment before ordering.

WARNING - This product may expose you to chemicals such as Nickel which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov