Cooling Systems - Thermostat Housings

Big Block Chevy Custom Fabricated Thermostat Housing
Your Price:
$229.99

Big Block Chevy Custom Fabricated Thermostat Housing

410-1494

Big Block Chevy Custom Fabricated Thermostat Housing

Stainless steel small block and big block circulating pump style thermostat housing

This Beautiful cast stainless steel thermostat housing is design to replace that ugly black factory cast iron unit that is original equipment on most mercruiser applications. It's gleaming polished finish adds sparkle to any engine designed to work in conjunction with the factory circulating Pump
  • Constructed of 316L Stainless Steel.
  • Designed to fit a Big Block Chevrolet engine application.
  • May require plumbing modifications in other applications.
  • Includes bolts and gaskets.

Polished 316L Stainless Steel Water Outlet 3/4" NPT Outlet Divider with Bypass
Your Price:
$219.99

Polished 316L Stainless Steel Supercharger Water Outlet 1-1/4" Hose Outlet Divider with 1/8" and 3/8" Fittings

410-1473

  • Constructed of 316L Stainless Steel.
  • Height 4-3/8"
  • Fits most Supercharger plumbing applications.
  • Two 1-1/4" Hose Barbs
  • 3/8" NPT and 1/8" NPT ports for senders or bypass.
  • Includes bolts and gaskets.

Polished Stainless Ford 429, 460 Thermostat Kit
Your Price:
$169.99

Polished Stainless Ford 429, 460 Thermostat Kit

540-160465

  • Fits Ford 429/460.
  • Made from Polished 316L Stainless Steel!
  • Designed for use on cold water source cooling systems.
  • Keeps engine temperature between 140 & 160 degrees.
  • Not recommended for supercharged or turbocharged engines, or sandy conditions.
  • Includes thermostat housing, 2 Tee fittings, a 160 degree thermostat, valve, seat, & spring.
  • Housing is 4 inches long x 3-1/8" wide x 3" tall.
  • Housing has four 1/2" NPT ports.
  • Tee fittings are 1/2" NPT x Two 5/8" hose on the run.
  • Includes bolts and gaskets.

Polished Stainless Thermostat Kit For 455 Olds
Your Price:
$139.99

Polished Stainless Thermostat Kit For 455 Olds

540-160210

  • Fits 455 Olds applications
  • Made from Polished 316L Stainless Steel!
  • Designed for use on cold water source cooling systems.
  • Keeps engine temperature between 140 & 160 degrees.
  • Not recommended for supercharged or turbocharged engines, or sandy conditions.
  • Includes thermostat housing, 2 Tee fittings, a 160 degree thermostat, valve, seat, & spring.
  • Housing is 4 inches long x 3-1/8" wide x 3" tall.
  • Housing has four 1/2" NPT ports.
  • Tee fittings are 1/2" NPT x Two 5/8" hose on the run.
  • Includes bolts and gaskets.

Polished Stainless Thermostat Kit For Chevy
Your Price:
$139.99

Polished Stainless Thermostat Kit For Chevy

540-160200

  • Fits most BBC, SBC applications
  • Made from Polished 316L Stainless Steel!
  • Designed for use on cold water source cooling systems.
  • Keeps engine temperature between 140 & 160 degrees.
  • Not recommended for supercharged or turbocharged engines, or sandy conditions.
  • Includes thermostat housing, 2 Tee fittings, a 160 degree thermostat, valve, seat, & spring.
  • Housing is 4 inches long x 3-1/8" wide x 3" tall.
  • Housing has four 1/2" NPT ports.
  • Tee fittings are 1/2" NPT x Two 5/8" hose on the run.
  • Includes bolts and gaskets.

Polished Water Outlet Divider With Bypass Hole & 1" Slip-on Hose Outlets
Your Price:
$109.99

Polished Water Outlet Divider With Bypass Hole & 1" Slip-on Hose Outlets - Wide Angle 140°

410-1485

  • Wide Angle 140°
  • Polished 316L Stainless Steel.
  • 1" Slip-on Hose barbs, 3/8" NPT Bypass port.
  • Fits most plumbing applications.
  • Designed to fit Chevrolet Engines, BBC, & SBC
  • Bypass hole can also be used for temperature sender.
  • Length 4", Width 2-3/4", Height 2-1/2".
  • Includes bolts, and gasket.
Matches narrower angled water outlet divider #410-1484

BBC Custom Cast Bypass Style Stainless Steel Water Outlet Divider
Your Price:
$139.99

GM / SBC / BBC Custom Cast Bypass Style Stainless Steel Water Outlet Divider

410-1499

  • Constructed from 316L Stainless Steel.
  • For BBC or SBC applications.
  • Features (3) 1" push-on hose barbs.
  • This unit is used in crossover cooling system #620-300100.
  • Length 4-1/4", Height 3", Width 2-3/4".
  • Includes bolts and O-ring.
  • O-Ring sealed, no gaskets required!

Polished 316L Stainless Steel Water Outlet -10 AN Outlet Divider with Bypass
Your Price:
$119.99

Polished 316L Stainless Steel Water Outlet -10 AN Outlet Divider with Bypass

410-1481

  • Constructed of 316L Stainless Steel.
  • Fits most plumbing applications.
  • Designed to fit Big Block and Small Block Chevrolet engines.
  • Bypass hole can also be used for temperature sender.
  • Length 4", Width 2-3/4", Height 2-1/2"
  • Two -10 AN flare fittings and a 3/8" NPT bypass port.
  • Includes bolts and gasket.

Polished 316L Stainless Steel Water Outlet -12 AN Outlet Divider with Bypass
Your Price:
$112.99

Polished 316L Stainless Steel Water Outlet -12 AN Outlet Divider with Bypass

410-1482

  • Polished 316L Stainless Steel.
  • Two -12 AN flare fittings and a 3/8" NPT bypass port.
  • Fits most plumbing applications.
  • Designed to fit Big Block and Small Block Chevrolet Engines.
  • Bypass hole can also be used for temperature sender.
  • Length 4", Width 2-3/4", Height 2-1/2".
  • Includes bolts and gasket.

Polished 316L Stainless Steel Water Outlet 3/4" NPT Outlet Divider with Bypass
Your Price:
$119.99

Polished 316L Stainless Steel Water Outlet 3/4" NPT Outlet Divider with Bypass

410-1483

  • Constructed of 316L Stainless Steel.
  • Length 4", Width 2-3/4", Height 2-1/2".
  • Fits most plumbing applications.
  • Designed to fit Big Block and Small Block Chevrolet Engines.
  • Bypass hole can also be used for temperature sender.
  • Two 3/4" NPT Ports and a 3/8" NPT bypass port.
  • Includes bolts and gaskets.

Polished Water Outlet Divider With Bypass Hole & 1" Slip-on Hose Outlets
Your Price:
$109.99

Polished Water Outlet Divider With Bypass Hole & 1" Slip-on Hose Outlets

410-1484

  • Polished 316L Stainless Steel.
  • 1" Slip-on Hose barbs, 3/8" NPT Bypass port.
  • Fits most plumbing applications.
  • Designed to fit Chevrolet Engines, BBC, & SBC
  • Bypass hole can also be used for temperature sender.
  • Length 4", Width 2-3/4", Height 2-1/2".
  • Includes bolts, and gasket.
Matches wider angled water outlet divider #410-1485

Big Block Chevy Custom Fabricated Water Outlet
Your Price:
$399.99

Big Block Chevy Custom Fabricated Water Outlet

410-1495

  • Constructed of 316L Stainless Steel.
  • Designed to fit a Big Block Chevrolet engine application.
  • Used in Hardin Marine #625-8186, #625-8187 & #625-8189 Drive Kits
  • May require plumbing modifications in other applications.
  • Features (1) 1-3/4", (2) 1", and (1) 1-1/4" push on hose connections.
  • (2) Alternate 1/8" NPT steam or bypass ports, plugs included.
  • Includes bolts and gaskets.

Stainless Steel Thermostat Housing
Your Price:
$213.99

Big Block Chevy Stainless Steel Mercruiser Thermostat Housing

410-1496

  • For use in Big Block Chevy Mercruiser Applications
  • Constructed of Cast Stainless Steel.
  • Replaces factory black cast iron MerCruiser housing.
  • Designed to work in conjunction with the factory circulating pump.
  • Can be used in low profile applications such as EFI engines etc.
Works with Mercruiser 860256A4 MCM & MIE V6 – V8 (305&350cid) w/Bravo Drive

Water Outlet 1" Slip-on Divider With Bypass
Your Price:
$119.99

Supercharger Water Outlet 1" Slip-on Divider With Bypass

410-1472

  • Constructed of 316L Stainless Steel.
  • 1" Push on hose barb with 3/8" NPT Bypass.
  • Fits 8-71 thru 14-71 TBS and B&M 250 and 420 Superchargers.
  • Designed for V8 Chevrolet Engine applications using superchargers.

Water Outlet -10 AN Divider with Bypass
Your Price:
$132.99

Water Outlet -10 AN Divider with Bypass

410-1470

  • Constructed of 316L Stainless Steel.
  • -10 AN Divider with 3/8" NPT Bypass
  • Fits 8-71 thru 14-71 TBS and B&M 250 and 420 superchargers.
  • Specially designed for V8 Chevrolet engine applications using superchargers.
  • Includes bolts, and gaskets.

Water Outlet -12 AN Divider with Bypass
Your Price:
$149.99

Water Outlet -12 AN Divider with Bypass

410-1471

  • Constructed of 316L Stainless Steel.
  • -12 AN Divider with 3/8" NPT Bypass.
  • Fits 8-71 thru 14-71 TBS and B&M 250 and 420.
  • Specially designed for V8 Chevrolet engine applications using superchargers.
  • Includes bolts, and gaskets.

Replacement Plastic Bypass Valve
Your Price:
$10.99

Replacement Plastic Bypass Valve

540-160102

Replacement Plastic Bypass Valve for 540-160200, 540-160210 and 540-160465 Thermostat Kits.


Replacement Retainer Ring
Your Price:
$7.99

Replacement Retainer Ring

540-160105

Replacement Retainer Ring for 540-160200, 540-160210 and 540-160465 Thermostat Kits.


Replacement Valve Seat
Your Price:
$8.99

Replacement Valve Seat

540-160104

Replacement Valve Seat for 540-160200, 540-160210 and 540-160465 Thermostat Kits.


Replacement Spring
Your Price:
$8.99

Replacement Spring

540-160103

Replacement Spring for 540-160200, 540-160210 and 540-160465 Thermostat Kits.