CHEVROLET 5.7L/350 Thermostats, Housings & Fillers

Thermostat, 180 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Each

Part Number: SUM-359-180

4.44 out of 5 stars ( 142 )

Estimated Ship Date: Monday 10/27/2025

Thermostat, 180 Degree, High-Flow, Copper/Steel, 3 Bypass Holes, Each

Part Number: EMP-301

4.81 out of 5 stars ( 101 )

Estimated Ship Date: Monday 10/27/2025

Thermostat, 160 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Each

Part Number: SUM-359-160

4.38 out of 5 stars ( 78 )

Estimated Ship Date: Monday 10/27/2025

Water Neck, Cast Aluminum, Polished, O-Ring, 45-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371100

4.53 out of 5 stars ( 99 )

Estimated Ship Date: Monday 10/27/2025

Thermostat, High Performance, Mechanical, 53mm Outside Diameter, 180 degrees, High-flow, AMC, Buick, Cadillac, Chrysler, Ford, Hudson, Each

Part Number: EDL-8604

4.43 out of 5 stars ( 21 )

Estimated Ship Date: Monday 10/27/2025

Thermostat, 160 Degree, High-Flow, Copper/Steel, 3 Bypass Holes, Each

Part Number: EMP-300

4.56 out of 5 stars ( 52 )

Estimated Ship Date: Monday 10/27/2025

Water Neck, Billet Aluminum, Black Anodized, 75 Degree, Chevy, Big/Small Block, Each

Part Number: BSP-BLK90320

4.76 out of 5 stars ( 34 )

Estimated Ship Date: Monday 10/27/2025

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Water Neck, Billet Aluminum, Polished, 15 Degree, Chevy, Big Block, Small Block, Each

Part Number: BSP-90320

4.94 out of 5 stars ( 34 )

Estimated Ship Date: Monday 10/27/2025

• Free Shipping

Water Neck, Cast Aluminum, Natural, Chevy, Big/Small Block V8, Each

Part Number: NAL-10108470

4.82 out of 5 stars ( 134 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: MRG-4364

4.11 out of 5 stars ( 114 )

Estimated Ship Date: Monday 10/27/2025

Thermostat, 160 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Housing, Chevy, Pontiac, Each

Part Number: SUM-363-160

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 10/27/2025

Water Neck, Aluminum, Black Anodized, Swivel, 60 Degree, Chevrolet, LS, Each

Part Number: MRG-2670BK

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/27/2025

Water Neck, Thermostat Housing, Cast Aluminum, Polished, 60 Degree, Swivel, Chevrolet, LS, Each

Part Number: SUM-370998

3.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 10/27/2025

Thermostat, High Performance, Mechanical, 53mm Outside Diameter, 160 degrees, High-flow, AMC, Buick, Cadillac, Chrysler, Ford, Hudson, Each

Part Number: EDL-8603

4.56 out of 5 stars ( 16 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: MRG-6367

4.19 out of 5 stars ( 16 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: MRG-6368

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: MRG-4363

4.03 out of 5 stars ( 63 )

Estimated Ship Date: Monday 10/27/2025

Water Neck, Aluminum, Polished, O-Ring, 45 degree, Swivel, Chevrolet, Each

Part Number: EDL-4817

4.35 out of 5 stars ( 48 )

Estimated Ship Date: Monday 10/27/2025

Water Neck, Cast Aluminum, Black Powdercoated, O-Ring, 45-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371100B

4.06 out of 5 stars ( 18 )

Estimated Ship Date: Monday 10/27/2025

Thermostat, High Flow, 160 Degree F, Copper/Brass, AMC, GM, Chrysler, Ford, Each

Part Number: BRA-330-160

4.79 out of 5 stars ( 77 )

Estimated Ship Date: Monday 10/27/2025

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: Monday 10/27/2025

Water Neck, O-Ring, Steel, Chrome, 15 Degree, Chevy, Big/Small Block, Each

Part Number: SUM-G3801-3

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/27/2025

Water Neck, O-ring Sealing Style, Aluminum, Natural, 186 degree Thermostat, Buick, Cadillac, Chevy, GMC, Each

Part Number: ADO-15-11057

4.44 out of 5 stars ( 18 )

Estimated Ship Date: Monday 10/27/2025

Water Neck, Cast Aluminum, Black Powdercoated, O-Ring, 90-Degree, Chevy, Big/Small Block, Each

Part Number: SUM-371101B

3.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025