$20 Off $250 / $40 Off $500 / $80 Off $1,000 - FINAL DAY! Use Promo Code: DEALS

$20 Off $250 /$40 Off $500 / $80 Off $1,000
FINAL DAY! Use Promo Code: DEALS

It's the Season for Savings - Shop Holiday Deals Now!

1998 Thermostats, Housings & Fillers

Individual Parts

Results 126 - 150 of 584

Water Neck, Billet Aluminum, Natural, Radiator Cap Extension, 5.75 in. Tall, Chevy, Big/Small Block, Each

Part Number: MOR-63467

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Water Neck, Aluminum, Black Anodized, O-Ring, 75 Degree, 1.500 in. Outlet, With Filler Neck for Radiator Cap, Chevy, Small/Big Block, Each

Part Number: HSE-4910-383-242

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Thermostat, UltraStat, 160 Degrees F, Stainless Steel, Each

Part Number: SNN-5200-160

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Thermostat, Mechanical, Standard-flow, 160 degrees, Copper/Stainless Steel, Ford, Lincoln, Mercury, Each

Part Number: MIO-MMTS-MUS-05L

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Dedenbear Water Headers WH1

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Get up to $150 back after rebate when you buy products from AutoMeter Brands! Go to: http://summitracing.com/go/atm

Get up to $150 back after rebate when you buy AutoMeter Products! Also includes Auto Gage, Dedenbear, Marine, Spek-Pro and Stack Brands. Spend $100-$199 and get $10 back. Spend $200-$449 and get $25 back. Spend $450-$699 and get $50 back. Spend $700-$999 and get $75 back. Spend $1,000-$1,499 and get $100 back. Spend $1,500 or more and get $150 back. Go to http://summitracing.com/go/atm for complete offer information. Valid on purchases made between 11/1/25 and 12/31/25. Rebate submission must be postmarked by 1/31/26. Limit one rebate per household. Allow up to 12 weeks for processing. Purchase amount is the subtotal before taxes and shipping.

Water Headers Small Block Chevy

Part Number: DED-WH1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

  • Mail - In Rebate

    Rebate amount based on part(s) total.

    Rebate Expires: 12/31/2025

    Get up to $150 back after rebate when you buy products from AutoMeter Brands! Go to: http://summitracing.com/go/atm

    Get up to $150 back after rebate when you buy AutoMeter Products! Also includes Auto Gage, Dedenbear, Marine, Spek-Pro and Stack Brands. Spend $100-$199 and get $10 back. Spend $200-$449 and get $25 back. Spend $450-$699 and get $50 back. Spend $700-$999 and get $75 back. Spend $1,000-$1,499 and get $100 back. Spend $1,500 or more and get $150 back. Go to http://summitracing.com/go/atm for complete offer information. Valid on purchases made between 11/1/25 and 12/31/25. Rebate submission must be postmarked by 1/31/26. Limit one rebate per household. Allow up to 12 weeks for processing. Purchase amount is the subtotal before taxes and shipping.

...Loading

Estimated Ship Date: Today

Water Necks and Thermostat Housings, 90 degree, Swivel, Aluminum, Satin Black Anodized, 1.500 in. Outlet, Ford, 289/302/351 Small Block Windsor, Each

Part Number: MCH-BTH-302-08

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Thermostat, Spec-R, with Seal, 160 Degrees F, Steel/Copper, Universal, Each

Part Number: SNN-MRD104

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Water Necks and Thermostat Housings, Straight, Aluminum, Polished, 1.500 in. Outlet Size, Chevrolet, Small Block LS, Each

Part Number: MCH-BTH-211-05

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Thermostat Spacer, Billet Aluminum, Black, 1 in. Thick, Chevy, Small Block, Big Block, Each

Part Number: MOR-63434

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Water Neck, Billet Aluminum, Polished, Straight Up, Ford, Each

Part Number: CTR-80-036

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

High Flow Thermostat-160 Degrees

Part Number: SNN-2000-160

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Water Outlet Restrictors, Aluminum, Buick, Chevy, Ford, Oldsmobile, Pontiac, Set of 3

Part Number: AAF-ALL30241

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Thermostat, Spec-R, 160 Degrees F, Stainless Steel/Copper, Universal, Each

Part Number: SNN-MRD100

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Water Neck, Billet Aluminum, Red, 90 Degree, Swivel, Chevy, Each

Part Number: SUM-371110-RE

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

High Flow Thermostat-180 Degrees

Part Number: SNN-2000-180

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Water Neck and Thermostat Housing, Swivel, Aluminum, Black, 45 Degree, GM, LS, Each

Part Number: DWR-32-1761-BLK

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Water Neck, Water Outlet, Stock, Aluminum, Stock, Pontiac, V8, L4, Each

Part Number: ADO-15-10282

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Water Neck, Billet Aluminum, Natural, Radiator Cap Filler, Chevy, Big/Small Block, Each

Part Number: MOR-63466

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Water Neck, Aluminum, Polished, 90 Degree, Chevy, Big/Small Block, Each

Part Number: WND-6244

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Thermostat, 180 Degrees F, Stainless Steel, Each

Part Number: SNN-200-180

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Water Neck, Aluminum, Polished, O-Ring, Straight Up, Chevy, Big/Small Block/V6, Each

Part Number: AAF-ALL30172

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Water Neck, Aluminum, Black Anodized, O-Ring, Straight, 1.500 in. Outlet, Chevy, LS1/LS2/LS6, Each

Part Number: HSE-4910-347-242

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Water Neck, Aluminum, Chrome Plated, Straight Out, Chevrolet, LS, Each

Part Number: SUM-370990

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Water Neck, Steel, Chrome Plated, O-Ring, Straight Up, Chevy, Big/Small Block, Each

Part Number: MRG-9845

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

This product may not be eligible for select promotional offers

Water Necks and Thermostat Housings, 45 degree, Swivel, Aluminum, Polished, 1.500 in. Outlet Size, Chevrolet, Small Block LS, Each

Part Number: MCH-BTH-213-05

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.