For 1987-1989 GMC R2500 Oil Pump 25549HS 1988

Description

Parts Geek - For 1987-1989 GMC R2500 Oil Pump 25549HS 1988
For 1987-1989 GMC R2500 Oil Pump 25549HS 1988
Review Fitment Notes to Ensure Proper Fit
Condition:
New
Brand:
Melling
Notes:
Performance -- 25% Higher Volume High Performance Oil Pump; Standard Billet Steel Spur Gears; Adjustable Pressure Relief Valve; Includes Chrome Moly Steel Intermediate Drive Shaft With Steel Guide; Includes Original Stock Replacement Pressure Spring; Not Installed; Uses 3/4 Inch Diameter Press-Fit Screen
Grade Type:
Performance
Gasket Or Seal Included:
No
Housing Material:
Cast Iron
Oil Pump Type:
Gear
Pick Up Tube Diameter:
0.75 in
Features:
High Performance Oil Pump
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-99HV-S. The 10990 is a big block style oil pump made to fit the small block applications. The drive and idler shafts have been extended to allow for additional support in the cover. Additional support eliminates dynamic shaft deflection at increased RPM levels. The cover is doweled to the pump housing to assure alignment of the shaft bores. The relief valve has a screw-in plug instead of a pin. The housing and cover are CNC machined and phosphate coated. An additional spring, the original stock replacement is supplied which will reduce bypass pressure if needed. Includes 12550 chrome moly intermediate shaft with steel guide. Built with billet steel gears. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions.
12 Month Warranty
Fitment Notes:
Vehicle
Engine
1987 GMC R2500
5.7L V8 GAS
1987 GMC R2500
5.0L V8
1988 GMC R2500
5.7L V8 GAS
1989 GMC R2500
5.7L V8 GAS
Payment Information
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Ensure Proper Fit
To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table. Also review the notes section in the compatibility chart for additional specifications about this part.
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Return Policy
Return shipping paid by:
Buyer
Item must be returned within:
30 Days
Refund will be given as:
MoneyBack
PLEASE DO NOT SEND RETURNS BACK WITHOUT A VALID RMA NUMBER. (We do not accept returns on opened or plugged in Electrical parts - No Exceptions)
Core Policy
Return shipping paid by:
Item must be returned within:
30 Days
Refund will be given as:
PLEASE DO NOT SEND RETURNS BACK WITHOUT A VALID RMA NUMBER. (We do not accept returns on opened or plugged in Electrical parts - No Exceptions)
California Proposition 65
WARNING: This product may contain chemicals 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