Thermostats, Housings & Fillers

Thermostat, 180 Degree, High-Flow, Copper/Brass, Each

Part Number: MRG-4364

4.11 out of 5 stars ( 114 )

Estimated Ship Date: Today

Thermostat, 160 Degree, High-Flow, Chrysler, Dodge, Plymouth, V8, Each

Part Number: MRG-4366

4.9 out of 5 stars ( 20 )

Estimated Ship Date: Today

Thermostat, 160 Degree, High-Flow, Copper/Brass, Chevy, LS, Each

Part Number: MRG-6367

4.19 out of 5 stars ( 16 )

Estimated Ship Date: Today

Thermostat, 180 Degree, High-Flow, Copper/Brass, GM, LS, Each

Part Number: MRG-6368

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

Water Neck, Aluminum, Chrome Plated, O-Ring, 45 Degree, Chevy, Big/Small Block, Each

Part Number: MRG-2661

4.5 out of 5 stars ( 36 )

Estimated Ship Date: Today

Thermostat, 160 Degree, High-Flow, Copper/Brass, Each

Part Number: MRG-4363

4.03 out of 5 stars ( 63 )

Estimated Ship Date: Today

Thermostat, 180 Degree, High-Flow, Chrysler, Dodge, Plymouth, V8, Each

Part Number: MRG-4367

3.35 out of 5 stars ( 23 )

Estimated Ship Date: Today

Water Neck, Steel, Chrome Plated, 90 Degree, Ford, Small Block Windsor, Each

Part Number: MRG-9713

2.52 out of 5 stars ( 27 )

Estimated Ship Date: Today

Water Neck, Steel, Chrome Plated, O-Ring, 45 Degree, Ford, 260-302/351W, Each

Part Number: MRG-2662

3.92 out of 5 stars ( 26 )

Estimated Ship Date: Today

COOLANT BYPASS KIT, CUMMINS (2003-2007 MANUAL TRANSMISSION)

Part Number: FLE-S0106

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Water Neck, Swivel, 45 degree, O-ring Sealing Style, Billet Aluminum, Polished, Ford, Small Block Windsor, Each

Part Number: SDK-B-8592

3.67 out of 5 stars ( 9 )

Estimated Ship Date: Today

Thermostat, 180 Degree, Stainless Steel, Dodge, Jeep, Chrysler, 5.7, 6.1L, Each

Part Number: JET-10183

4.39 out of 5 stars ( 41 )

Estimated Ship Date: Today

Thermostat, Powertech, 160 degree, Chevy, GMC, Each

Part Number: JET-10166

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Water Neck, Aluminum, Chrome Plated, O-Ring, 45 Degree, Chevy, Big/Small Block, Each

Part Number: MRG-9141G

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Today

Water Neck, Chrome Plated, 15 Degree, Chevy, Big/Small Block, Each

Part Number: MRG-2557

4.22 out of 5 stars ( 18 )

Estimated Ship Date: Today

Thermostat, 195 Degree, High-Flow, Copper/Brass, Each

Part Number: MRG-4365

2.63 out of 5 stars ( 16 )

Estimated Ship Date: Today

Thermostat, 160 Degree, Stainless Steel, Dodge, Jeep, Chrysler, 5.7, 6.1, 6.4L, Each

Part Number: JET-10163

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Water Bypass Kit, Coolant Bypass, Spacer, Billet Aluminum, Black Anodized, Hose, for Use with Automatic Transmission Trucks Only, Dodge, Kit

Part Number: FLE-S0109

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Water Neck, Aluminum, Polished, Straight Up, 1.50 in. Hose, GM, LS Engine, Each

Part Number: MRG-2671NA

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

Coolant Bypass, 12V Coolant Bypass Kit (1994-1998) w/ Stainless Steel Braided Line

Part Number: FLE-S0306

Not Yet Reviewed

Estimated Ship Date: Today

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Water Bypass Kit, Billet Aluminum Spacer, Black Anodized, Hose, Dodge, 5.9L Diesel, Kit

Part Number: FLE-S0103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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• Special Order

Water Bypass Kit, Coolant Bypass, Spacer, Billet Aluminum, Black Anodized, Hose, for Use with Automatic Transmission Trucks Only, Dodge, Kit

Part Number: FLE-S0110

Not Yet Reviewed

Estimated Ship Date: Today

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Water Neck, Steel, Chrome Plated, O-Ring, 45 Degree, Chevy, Big/Small Block, Each

Part Number: MRG-2660

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Coolant Bypass Kit for 2019+ Ram with 6.7L Cummins

Part Number: FLE-S0399

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Water Neck, Diecast Aluminum, Chrome Plated, 90 Degree, Ford, 429/460, Each

Part Number: MRG-2664

3.21 out of 5 stars ( 14 )

Estimated Ship Date: Today