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504ERL - Earl's Billet Oil Thermostat Image
Earl's

Earl's Billet Oil Thermostat

Part # 504ERL Be the first to write a review

Billet Aluminum Sandwich Style Oil Thermostat with 13/16-16 Center Post, and 10 AN Female O-Ring Seals on the inlets and outlets.

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Earl's Billet Oil Thermostat

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These billet aluminum units facilitate quick oil warm up. Opening starts at 160°F (71.1C) and they are fully open at 180°F (82.2C). Comes with optional spacer for accommodate multiple engine block castings.

Features:

  • Made For Most Typical Applications
  • Billet Aluminum Sandwich Style
  • Facilitate Quick Oil Warm-Up

About Earl's

Shop Earl's performance plumbing products at Holley, including AN fittings, hose, hose ends, adapters, fuel system components, oil coolers, valves, and installation tools.

Brand Earl's
CategoryCooling
Center Stud Diameter13/16-16
Emission Code5
FinishNatural
Fully open180 Degrees Farenheit
Inner O-Ring Diameter2.887 Inches
MaterialBillet Aluminum
O-Ring Cross Section.139 Inches
Outer O-Ring Diameter3.387 Inches
Part TypeEngine Oil Pump
Port Size7/8-14 Female (-10 O-Ring Boss)
Product TypeOil Cooler
Spacer O-Ring Cross Sect..210 Inches
Spacer O-Ring Diameter3.770 Inches
Starts to open160 Degrees Farenheit
UPC021432254694
Part Number504ERL
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Instructions - 199r10647rev1.pdf
Fits most Chevrolet V8's with spin-on oil filter. 1968-2000 Small Block Chevy and 1968-1990 Big Block Chevy. NOTE: some 1990 and later may have metric threads. Will not accommodate metric center posts. Mount between the oil filter mounting boss and the oil filter itself.
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