1990 GMC P6000 Oil Pumps

Keep Your 1990 GMC P6000 in Top Shape with Quality Oil Pumps

Whether you’re repairing or upgrading your Oil Pump, using high-quality parts is key to keeping your 1990 GMC P6000 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Oil Pump Nylon Shaft Guides, Oil Pumps, and Engine Oil Pump Primers. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Explore Related Parts

While you’re upgrading or replacing your Oil Pump, don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 1990 GMC P6000 in peak condition, inside and out.

Essential 1990 GMC P6000 Oil Pumps

Felpro – Engine Oil Pump Shaft Retainer (Part No.72665)

Engine Oil Pump Shaft Retainer

from

$3.29
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Melling – Stock Replacement Oil Pump Shaft Guide (Part No.M-55005)

Stock Replacement Oil Pump Shaft Guide

from

$3.29
Made In USA. Several Melling oil pump applications require the use of an oil pump shaft guide. Melling provides high quality shaft guides for specific pump applications. An oil pump shaft guide is necessary to connect the oil pump drive shaft to the intermediate drive shaft. Melling recommends installing a new oil pump shaft guide when it is needed.

Product Features:
  • Manufactured from high quality nylon for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
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Melling – Engine Oil Priming Tool (Part No.MPL-201)

Engine Oil Priming Tool

from

$355.99
Made In USA. Melling Engine Oil Priming Tank was developed as a way for engine builders to safely pre-prime the engine with oil prior to initial engine startup. The priming tank, when filled with clean oil and air pressure pumps oil into all of the critical areas of the new engine quickly and safely.
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Melling Select Performance – High Performance Standard Volume Cast Iron Oil Pump (Part No.10778)

High Performance Standard Volume Cast Iron Oil Pump

from

$230.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the 10770. Increase in volume of 25% over stock oil pump. The drive shaft has been man

Product Features:
  • 25% Higher volume anti-cavitation high performance upgrade of the 10770
  • CNC machined phosphate coated cast iron housing and cover
  • Cover has extended idler shafts for additional support at high RPM’s
  • Standard billet steel spur gears
  • Adjustable pressure relief valve
  • Includes lower pressure spring; not installed
  • Includes chrome moly steel intermediate drive shaft with steel guide
  • Uses 3/4 inch diameter press-fit screen
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Melling – Stock Replacement OE Type High Volume Oil Pump (Part No.M-77HV)

Stock Replacement OE Type High Volume Oil Pump

from

$75.99
Made in USA. Melling high volume oil pumps increase the amount of oil flow by an average of 20% through the engine improving oil pressure at idle providing dependable performance every time in every application. Every Melling high volume oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling high volume oil pumps use the latest in gear and gerotor technology to provide the highest level of quality and performance. High volume gears are machined to close tolerances to ensure proper engine pressure and correct, efficient pump operation. End plates are precision ground for maximum wear resistance. Every Melling oil pump is individually tested for pressure and flow under conditions designed to duplicate actual engine operating conditions.

Product Features:
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • High volume oil pump supplies additional oil to engines when necessary for high performance applications or low oil pressure issues
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Melling Select Performance – High Performance High Volume Cast Iron Oil Pump (Part No.10770)

High Performance High Volume Cast Iron Oil Pump

from

$188.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the M-77HV. 25% Increase in volume over stock pump. The housing and cover are CNC machined and phosphate coated. The lower pressure spring is included to reduce pressure if desired. Built with billet steel gears. Includes Intermediate shaft with steel guide. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions.

Product Features:
  • 25% Higher Volume High Performance upgrade of the M-77HV
  • CNC machined phosphate coated cast iron housing and cover
  • Standard billet steel spur gears
  • Includes chrome moly steel intermediate drive shaft with steel guide
  • includes lower pressure spring; not installed
  • uses 3/4 inch diameter press-fit screen
See More

Most Popular Oil Pump Nylon Shaft Guide for 1990 GMC P6000s

Enhance your 1990 GMC P6000 with this popular Oil Pump Nylon Shaft Guide we have in stock, for $3.29.

Felpro – Engine Oil Pump Shaft Retainer (Part No.72665)

Engine Oil Pump Shaft Retainer

from

$3.29
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
See More

Best-Selling 1990 GMC P6000 Oil Pumps

Upgrade your P6000 with one of our 2 best-selling Oil Pumps.

Melling Select Performance – High Performance Standard Volume Cast Iron Oil Pump (Part No.10778)

High Performance Standard Volume Cast Iron Oil Pump

from

$230.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the 10770. Increase in volume of 25% over stock oil pump. The drive shaft has been man

Product Features:
  • 25% Higher volume anti-cavitation high performance upgrade of the 10770
  • CNC machined phosphate coated cast iron housing and cover
  • Cover has extended idler shafts for additional support at high RPM’s
  • Standard billet steel spur gears
  • Adjustable pressure relief valve
  • Includes lower pressure spring; not installed
  • Includes chrome moly steel intermediate drive shaft with steel guide
  • Uses 3/4 inch diameter press-fit screen
See More

Melling Select Performance – High Performance High Volume Cast Iron Oil Pump (Part No.10770)

High Performance High Volume Cast Iron Oil Pump

from

$188.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. High volume performance upgrade for the M-77HV. 25% Increase in volume over stock pump. The housing and cover are CNC machined and phosphate coated. The lower pressure spring is included to reduce pressure if desired. Built with billet steel gears. Includes Intermediate shaft with steel guide. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions.

Product Features:
  • 25% Higher Volume High Performance upgrade of the M-77HV
  • CNC machined phosphate coated cast iron housing and cover
  • Standard billet steel spur gears
  • Includes chrome moly steel intermediate drive shaft with steel guide
  • includes lower pressure spring; not installed
  • uses 3/4 inch diameter press-fit screen
See More

Top-Quality Engine Oil Pump Primers for 1990 GMC P6000s

Choose a high-quality OEM or aftermarket Engine Oil Pump Primer for GMC P6000s and enjoy top-notch performance from $355.99.

Melling – Engine Oil Priming Tool (Part No.MPL-201)

Engine Oil Priming Tool

from

$355.99
Made In USA. Melling Engine Oil Priming Tank was developed as a way for engine builders to safely pre-prime the engine with oil prior to initial engine startup. The priming tank, when filled with clean oil and air pressure pumps oil into all of the critical areas of the new engine quickly and safely.
See More

FAQs for 1990 GMC P6000 Oil Pumps

What are the best-selling Oil Pumps for 1990 GMC P6000s?

Out of 4 Oil Pumps that fit 1990 GMC P6000s, the following parts are the top sellers:

What’s the price range for 1990 GMC P6000 Oil Pumps?

The prices of Oil Pumps for the 1990 GMC P6000 range from $3.29 up to $355.99 for the most premium parts.

What is the average price of an Oil Pump for a 1990 GMC P6000?

The average price for Oil Pumps for the 1990 GMC P6000 is $130.97. Keep in mind the variety of part types within our Oil Pump category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Oil Pumps for other GMC P6000 model years?

Yes, we carry Oil Pumps for 11 model years of GMC P6000s between 1983 and 1996. The following model years are the most popular for Oil Pump purchases: 1996, 1995, 1994, 1993, 1992, 1989, 1988, 1987, and 1986.

What are the cheapest Oil Pumps for my 1990 GMC P6000?

The cheapest 1990 GMC P6000 Oil Pumps we carry are:

Does Advance Auto Parts sell Oil Pumps for any other 1990 GMC models?

Yes. We stock Oil Pumps for 22 other popular 1990 GMC models. Some of the most popular are 1990 Jimmy Oil Pumps, 1990 K2500 Oil Pumps, 1990 C2500 Oil Pumps, 1990 K1500 Oil Pumps, and 1990 C1500 Oil Pumps.

What types of Oil Pumps do you sell for my 1990 GMC P6000?

As of 11/2/25, these are some of the most in-demand types of Oil Pumps for a 1990 GMC P6000:

Can I get help with 1990 GMC P6000 Oil Pump orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Oil Pumps and more.

What is your return policy for GMC P6000 Oil Pumps?

Advance Auto Parts keeps returns simple. For new GMC P6000 Oil Pumps and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.