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1985 - 2001 Chevrolet Astro Engine Oil Pump (Melling) NEW

Out of Stock
$ 220 .46

Product Notes

25% Higher Volume High Performance Oil Pump 10 PSI Higher Pressure Relief Spring Installed Exclusive Billet Steel Shark Tooth Helical Pump Gears Includes 12550 Chrome Moly Steel Intermediate Shaft With Steel Guide Includes Optional Standard Pressure Spring Uses 5/8 Inch Diameter Press-Fit Pickup Tube Assembly (Not Included)
Performance
Made in USA. Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling high performance cast iron oil pump series features a doweled housing and cover, extended drive and idler shafts for additional support at increased RPM’s, a screw in relief spring plug, CNC machined cover and housing that is manganese phosphate coated, standard volume and high volume patented billet Shark Tooth gears, and a chrome moly drive shaft with steel guide. Includes lower pressure spring and self locking socket head bolts with wrench for use with bolt on screen pumps. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions. Melling high performance Shark Tooth oil pumps are recommended for all applications where a high performance oil pump is needed.
Brand: Melling
Condition: New
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
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Specifications & Info


Attribute Value
Additional Cover Shaft Support No
Additional Volume Over Stock Percentage 25%
Adjustable Bypass Pressure Yes
Alternate Pressure Springs Included Yes
Anti Cavitation No
Drive Shaft Included Yes
Drive Type Drive Shaft
Gasket Or Seal Included No
Gear Material Billet Steel
Gear Type Shark Tooth Helical Gear
Grade Type Performance
Housing Finish Phosphate Coating
Manufactured For Gm Sbc
Manufactured Pressure (green) 70 Psi
Mounting Hole Diameter 0.240, 6.00
Mounting Hole Quantity 2
Oil Pump Pressure Type High Pressure
Oil Pump Type Gear
Oil Pump Volume Type High Volume
Optional Spring Pressure 1 (yellow) 58 Psi
Optional Spring Pressure 2 N/a
Pickup Tube Diameter 0.625, 16.00
Screen Information 5/8" Press In
Upgrade For Pump Number M-55hv

Vehicle Fitment Guide

This part fits the following vehicles:

Chevrolet 1 model (tapclick to expand)(tapclick to hide)
Astro 1985-2001 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base Extended Cargo Van 1990 L4 2.5L AWD/RWD Automatic
Base Extended Cargo Van 1990 - 2001 V6 4.3L AWD/RWD Automatic
Base Extended Passenger Van 1997 - 2001 V6 4.3L AWD/RWD Automatic
Base Standard Cargo Van 1990 L4 2.5L AWD Automatic
Base Standard Cargo Van 1990 - 2001 V6 4.3L AWD Automatic
Base Standard Cargo Van 1985 - 1990 L4 2.5L RWD Automatic
Base Standard Cargo Van 1985 - 1989 L4 2.5L RWD Manual
Base Standard Cargo Van 1985 - 2001 V6 4.3L RWD Automatic
Base Standard Cargo Van 1985 - 1989 V6 4.3L RWD Manual
Base Standard Passenger Van 1997 - 2001 V6 4.3L AWD Automatic
Base Standard Passenger Van 1985 - 1987 L4 2.5L RWD Automatic & Manual
Base Standard Passenger Van 1985 - 1987, 1997 - 2001 V6 4.3L RWD Automatic
Base Standard Passenger Van 1985 - 1987 V6 4.3L RWD Manual
CL Extended Passenger Van 1990 - 1995 V6 4.3L AWD/RWD Automatic
CL Standard Passenger Van 1990 - 1995 V6 4.3L AWD Automatic
CL Standard Passenger Van 1985 L4 2.5L RWD Automatic & Manual
CL Standard Passenger Van 1985 - 1995 V6 4.3L RWD Automatic
CL Standard Passenger Van 1985 - 1989 V6 4.3L RWD Manual
CS Extended Passenger Van 1990 - 1995 V6 4.3L AWD/RWD Automatic
CS Standard Passenger Van 1990 - 1995 V6 4.3L AWD Automatic
CS Standard Passenger Van 1985 L4 2.5L RWD Automatic & Manual
CS Standard Passenger Van 1985 - 1995 V6 4.3L RWD Automatic
CS Standard Passenger Van 1985 - 1989 V6 4.3L RWD Manual
LS Extended Passenger Van 1996 - 2001 V6 4.3L AWD/RWD Automatic
LS Standard Passenger Van 1996 - 2001 V6 4.3L AWD/RWD Automatic
LT Extended Passenger Van 1990 - 2001 V6 4.3L AWD/RWD Automatic
LT Standard Passenger Van 1990 - 2001 V6 4.3L AWD Automatic
LT Standard Passenger Van 1987 - 2001 V6 4.3L RWD Automatic
LT Standard Passenger Van 1987 - 1989 V6 4.3L RWD Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
Made in USA. Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling high performance cast iron oil pump series features a doweled housing and cover, extended drive and idler shafts for additional support at increased RPM’s, a screw in relief spring plug, CNC machined cover and housing that is manganese phosphate coated, standard volume and high volume patented billet Shark Tooth gears, and a chrome moly drive shaft with steel guide. Includes lower pressure spring and self locking socket head bolts with wrench for use with bolt on screen pumps. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions. Melling high performance Shark Tooth oil pumps are recommended for all applications where a high performance oil pump is needed.

Interchange Parts

Brand Part Number
Melling Select Performance 10550ST

Fits Years: 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001

Fits Models: Astro

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