Melling Performance 12550 oil pump intermediate shaft for the 1999-2002 Chevrolet Silverado 1500 V6 4.3L and other vehicles carries drive from the engine to the oil pump. Also listed as an engine oil pump intermediate shaft, it is a performance-grade part for selected high performance oil pump applications.
A low oil pressure reading or warning light has several possible sources. A worn oil pump, a clogged pickup screen, a faulty oil pressure sender or a low oil level can be behind the same signs, so find the cause before buying a shaft.
This shaft is listed for a wide range of Chevrolet, GMC, Buick and Cadillac models, led by the 1999-2002 GMC Sierra 1500 V6 4.3L, the 1988-1998 Chevrolet C1500 V6 4.3L and the 1988-1999 C1500 V8 5.7L. It is a direct-fit replacement for these vehicles and meets or exceeds original equipment specifications. The 1999-2002 Chevrolet Silverado 1500 V6 4.3L takes one shaft.
Fit and size
Build and materials
Interchange: 134-7901
This part cross-references / interchanges with the following part numbers:
Is the Melling Performance 12550 shaft right for a 1999-2002 Chevrolet Silverado 1500 V6 4.3L?
Yes, Melling Performance 12550 is listed for the 1999-2002 Chevrolet Silverado 1500 V6 4.3L and many other vehicles; to check your own car, look it up in the "Vehicles it fits" section.
What is the Melling 12550 oil pump shaft made of, and how big is it?
The Melling Performance 12550 shaft is chrome moly steel. It is 146 mm (5.750 in) long with a 12 mm (0.482 in) shaft diameter.
Do I need a new intermediate shaft when I put in a new oil pump?
Yes, a new shaft is recommended with every new oil pump install. The old shaft can have metal fatigue, cracking or twisting damage even when it looks to be in good condition.
Does 134-7901 cross to this oil pump intermediate shaft?
Yes. 134-7901 is a cross-reference number for the Melling Performance 12550 oil pump intermediate shaft.
Is this Melling shaft a performance part or a stock-type shaft?
It is a performance-grade shaft, intended for selected high performance oil pump applications. It is made in the United States.
No reviews yet — be the first to review this product.
Write a Review
WARNING: These products can expose you to chemicals including lead and phthalates, 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.
