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Melling M55HV Oil Pump

Q: I have a 1993 gmc suburban 350 5.7 v8 4x4 so which oil pump do i get the m55 or m55hv?

Depending on desired oil pressure. The m55 is a "stock" oil pump which yields around 35 to 40 psi, whereas, the m55hv is a high volume and yields above 50 to 60 psi. The m55hv is mostly used in performance engines.

Q: Will this require a longer mounting bolt then the std volume m55? I know the pump itself is taller but cant rememberabout the mounting bolt changing

The mounting bolt or stud should be the same size, the pump impeller is thicker than stock

Q: What does this mean in the top must use is shaft w/steel guide?

it means they want you to use a oil pump shaft that has a steel guide on the end to engage the oil pump and not plastic like some oem or light performance shafts have. It prevents premature wear resulting in failure of the shaft or the pump

4.6/5

Product ID: 280142901

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Frequently Bought Together

Engine Oil Pump

Melling Oil Pump Screen - 55S1

Engine Oil Pump

Description

Melling M55HV Oil Pump

Specifications

Manufacturer	Melling
Brand	Melling
Model	Oil Pump
Item Weight	3.78 pounds
Product Dimensions	6 x 5.1 x 4.3 inches
Country of Origin	China
Item model number	M55HV
Is Discontinued By Manufacturer	No
Exterior	Machined
Manufacturer Part Number	M-55HV
OEM Part Number	M55HV
Special Features	High Volume Upgrade Over M-55, Cast Iron, 25% Increased Volume Over Stock, Standard Pressure

Have a Question? See What Others Asked

I have a 1993 gmc suburban 350 5.7 v8 4x4 so which oil pump do i get the m55 or m55hv?

Will this require a longer mounting bolt then the std volume m55? I know the pump itself is taller but cant rememberabout the mounting bolt changing

Is this the same pump as 18750 milodon?

What does this mean in the top must use is shaft w/steel guide?

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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₨52011

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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