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Gates 31521 OE Type Radiator Cap 10 PSI Pressure Rating

(1983-1991 GMC G2500; 1983-1991 GMC G25/G2500 Van; 1983-1991 GMC G3500; 1983-1991 GMC G35/G3500 Van; 1969-1970 MG MGB; 1983-1991 Chevrolet G20 + 3 more models)

Part of: Gates Radiator Cap

Other options in this family: Gates 31525 Gates 31569 Gates 31523 Gates 31526 Gates 31534

Manufacturer

Picture for manufacturer Gates

Part Number

31521
6 reviews
Sale Price

$7.04

In Stock (8)

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Usually delivered within 2 days

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Product Details

The Gates 31521 is an OE-type radiator cap engineered to maintain optimal cooling system pressure and temperature control. This standard radiator cap features a 10 PSI pressure rating (SAE range 9-11 PSI) designed to prevent coolant boil-over while ensuring proper engine operating temperatures.

Key Specifications:

  • Pressure Rating: 10 PSI (SAE range 9-11 PSI)
  • Cap Depth: 1.25 inches
  • Shell Diameter: 2.33 inches
  • Filler Neck Inside Diameter: 1.61 inches
  • Filler Neck Outside Diameter: 2.13 inches
  • Filler Neck Depth: 0.75 inches
  • Type: Standard cap with optional coolant recovery system

Features and Benefits:

  • Constructed from corrosion-resistant, heavy-gauge metal for long service life
  • Engineered for precise pressure control with application-specific vent and vacuum-relief valves
  • Meets or exceeds OEM specifications for function, form, and fit
  • Requires no adjustment for installation
  • Direct OE replacement for numerous makes and models
  • Wide compatibility across automotive and medium-duty truck applications

This Gates radiator cap crosses with numerous OEM part numbers including Stant 10223, 10237, GM 850940, 850994, NAPA 703-1708, and many others, making it a versatile replacement solution. Backed by Gates' century-long reputation for quality automotive components, this radiator cap delivers the reliability and performance your cooling system demands.

Products specifications

Fits

1983-1991 GMC G2500; 1983-1991 GMC G25/G2500 Van; 1983-1991 GMC G3500; 1983-1991 GMC G35/G3500 Van; 1969-1970 MG MGB; 1983-1991 Chevrolet G20; 1983-1991 Chevrolet G20 Van; 1983-1991 Chevrolet G30; 1983-1991 Chevrolet G30 Van

Pressure

10PSI

Type

Standard Cap

Cap Depth (in)

1.25

Coolant Recovery System

Optional System

Filler Neck Depth (in)

.75

Filler Neck Inside Diameter (in)

1.609

Filler Neck Outside Diameter (in)

2.13

OE Comparison Rating

OE Quality (OEQ)

Shell Diameter (in)

2.33

For as cheap as what I paid for my product I will admit I was scared!!! Got what I asked for in perfect condition, came fast and wonder where have you been all my shopping life? Thanx for such a great deal and fast shipping!!!

Incredible prices! I purchased a name brand leveling kit for 40% less than any one else is selling them for. Item shipped out within 2 days. Shipping cost is reasonable, and if you leave a review here after your purchase, they'll credit you back $5! BEST DEAL GOING!

Great site. Provided needed technical specs. Shipped promptly. Although I had to ask for the tacking number, it was not emailed, one was provided promptly upon request.

Great prices! Hopefully the shipping is quick

Unbeleiveable!!!! Super fast shipping!! Great job!!! Keep up the good work!<br><br>P Savaria

best price, cheap shipping, easy to order, thank you Order Number: 4829<br>

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