Melling IS-54A
Oil pump intermediate shaft for classic Pontiac V8 and selected older GM engines. 7.500” / approx. 190.50 mm length.
Melling IS-54A is an oil pump intermediate shaft for older GM engines, especially classic Pontiac V8 applications. It transfers drive from the distributor to the oil pump and should be selected by engine family and shaft dimensions.
Application / fitment
The part is mainly used in Pontiac V8 engines and selected older Buick / GMC / Oldsmobile / Pontiac applications requiring an oil pump shaft with matching length and diameter.
- Pontiac V8 287 CID
- Pontiac V8 301 CID
- Pontiac V8 326 CID
- Pontiac V8 350 CID
- Pontiac V8 389 CID
- Pontiac V8 400 CID
- Pontiac V8 421 / 428 / 455 CID
- selected older GM applications after confirming number and dimensions
Before installation, verify compatibility with the oil pump, distributor and engine block. Similar appearance does not always mean dimensional compatibility in older GM engines.
Technical information
- type: oil pump shaft
- length: 7.500” / approx. 190.50 mm
- diameter: 0.500” / approx. 12.70 mm
- primary application: Pontiac V8 and selected older GM engines