![Aluminum Thermostat Housing for Small Block & Big Block Chevy, 45-degree Swivel Design [Chrome]](https://www.jegs.com/images/mini_750/500/555/555-51111.jpg)
Aluminum Thermostat Housing for Small Block & Big Block Chevy, 45-degree Swivel Design [Chrome]
JEGS 51111 Aluminum Thermostat housing for Small Block & Big Block Chevrolet engines manufactured from cast aluminum with a stylish polished finish that looks like billet aluminum. This thermostat housing has a 45-degree swivel neck that will fit many different Chevy engines & radiator combinations. JEGS swivel thermostat housing is the perfect upgrade for a fraction of the cost of billet aluminum.
JEGS 555-51111 Aluminum Thermostat Housing
- Fits Small Block and Big Block Chevrolet engines including 283, 305, 307, 327, 350, 383 (stroker), 396, 427, 454, and others based on the popular engine platforms
- Compatible with 1.5 in. radiator hose
- Polished finish for great looks and long life
- Includes hardware and thermostat o-ring seal
- 45-degree angle and adjustable swivel housing to fit most applications
Items You Need

JEGS
High-Flow 160 degree Thermostat for Pre-LT1 GM, Ford, AMC
Part Number : 555-53220

JEGS
High-Flow 180 degree Thermostat for Pre-LT1 GM, Ford, AMC
Part Number : 555-53221

JEGS
High-Flow 195 degree Thermostat for Pre-LT1 GM, Ford, AMC
Part Number : 555-53222

JEGS
Stainless Steel Radiator Hose Kit Natural/Polished
Part Number : 555-511231
![Racing Coolant and Antifreeze with LP-3 [1 Gallon]](https://www.jegs.com/images/mini_200/500/555/555-72316.jpg)
JEGS
Racing Coolant and Antifreeze with LP-3 [1 Gallon]
Part Number : 555-72316
![Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]](https://www.jegs.com/images/mini_200/500/555/555-28035.jpg)
JEGS
Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]
Part Number : 555-28035

JEGS
Blue Bolt Locker Medium Strength
Part Number : 555-28084
![Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]](https://www.jegs.com/images/mini_200/500/555/555-28035.jpg)
JEGS
Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]
Part Number : 555-28035

JEGS
LED Drop Light with Built-In 120V Outlet
Part Number : 555-W2237
![16705 Service Pro Antifreeze Concentrate [1 gallon]](https://www.jegs.com/images/mini_200/700/708/708-16705.jpg)
GLOCKNER OIL
16705 Service Pro Antifreeze Concentrate [1 gallon]
Part Number : 708-16705
![No Spill Coolant Filling Funnel Kit [15-Piece]](https://www.jegs.com/images/mini_200/500/555/555-51220.jpg)
JEGS
No Spill Coolant Filling Funnel Kit [15-Piece]
Part Number : 555-51220

JEGS
High-Flow 160 degree Thermostat for Pre-LT1 GM, Ford, AMC
Part Number : 555-53220

JEGS
High-Flow 180 degree Thermostat for Pre-LT1 GM, Ford, AMC
Part Number : 555-53221

JEGS
High-Flow 195 degree Thermostat for Pre-LT1 GM, Ford, AMC
Part Number : 555-53222

JEGS
Stainless Steel Hose Clamps 1 1/4 in. to 2 in. OD
Part Number : 555-16055

JEGS
Stainless Steel Radiator Hose Kit Black
Part Number : 555-511251

JEGS
Stainless Steel Radiator Hose Kit Natural/Polished
Part Number : 555-511231
![Racing Super Coolant Additive [16 oz.]](https://www.jegs.com/images/mini_200/500/555/555-72324.jpg)
JEGS
Racing Super Coolant Additive [16 oz.]
Part Number : 555-72324
![Racing Coolant and Antifreeze with LP-3 [1 Gallon]](https://www.jegs.com/images/mini_200/500/555/555-72316.jpg)
JEGS
Racing Coolant and Antifreeze with LP-3 [1 Gallon]
Part Number : 555-72316
![Ice Water Racing Coolant [1 Gallon, Non-Glycol]](https://www.jegs.com/images/mini_200/500/555/555-72314.jpg)
JEGS
Ice Water Racing Coolant [1 Gallon, Non-Glycol]
Part Number : 555-72314
![Funnel [8.5 in. Overall Length]](https://www.jegs.com/images/mini_200/500/555/555-w4064.jpg)
JEGS
Funnel [8.5 in. Overall Length]
Part Number : 555-W4064

JEGS
Cooling System Pressure Tester Kit
Part Number : 555-W89733
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
LUCAS OIL
Penetrating Oil [11 oz. Aerosol Can]
Part Number : 639-11043
![Brake and Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72312.jpg)
JEGS
Brake and Parts Cleaner [14 oz. Aerosol Can]
Part Number : 555-72312

JEGS
Blue Bolt Locker Medium Strength
Part Number : 555-28084
![Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]](https://www.jegs.com/images/mini_200/500/555/555-28035.jpg)
JEGS
Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]
Part Number : 555-28035

JEGS
LED Drop Light with Built-In 120V Outlet
Part Number : 555-W2237
![16705 Service Pro Antifreeze Concentrate [1 gallon]](https://www.jegs.com/images/mini_200/700/708/708-16705.jpg)
GLOCKNER OIL
16705 Service Pro Antifreeze Concentrate [1 gallon]
Part Number : 708-16705
![No Spill Coolant Filling Funnel Kit [15-Piece]](https://www.jegs.com/images/mini_200/500/555/555-51220.jpg)
JEGS
No Spill Coolant Filling Funnel Kit [15-Piece]
Part Number : 555-51220

JEGS
High-Flow 160 degree Thermostat for Pre-LT1 GM, Ford, AMC
Part Number : 555-53220

JEGS
High-Flow 180 degree Thermostat for Pre-LT1 GM, Ford, AMC
Part Number : 555-53221
ITEM YOU MAY ALSO CONSIDER

EDELBROCK
45 Degree Polished Aluminum Thermostat Housing Waterneck for Chevy 4.3L V6 and V8
Part Number : 350-4817

SPEEDMASTER
Thermostat Housing Water Neck Small Block Chevy 350 45 Degree Swivel
Part Number : 746-PCE191.1006

WEIAND
Aluminum Water Outlet Includes Thermostat Housing
Part Number : 925-6242

WEIAND
Aluminum Water Outlet Includes Thermostat Housing
Part Number : 925-6252

TRANS DAPT
Steel Water Neck 1955-64 Small Block Chevy V8
Part Number : 969-9228

TRANS DAPT
Powdercoated Water Neck 1955-64 Small Block Chevy V8
Part Number : 969-9928

EDELBROCK
45 Degree Polished Aluminum Thermostat Housing Waterneck for Chevy 4.3L V6 and V8
Part Number : 350-4817

RPC
Steel Water Neck 1955-64 Small Block Chevy V8
Part Number : 707-R4788

RPC
Aluminum Water Neck 1966-75 Small Block Chevy 283-350 V8
Part Number : 707-R6003

RPC
Steel Water Neck 1955-64 Small Block Chevy V8
Part Number : 707-R9228

SPEEDMASTER
Thermostat Housing Water Neck Small Block Chevy 350 45 Degree Swivel
Part Number : 746-PCE191.1006

PROFORM
Chevy Chrome Water Neck for 1955-1965 Small/Big Block Chevy
Part Number : 778-66209

SPECTRE
Thermostat Housing Fits 1955-65 Chevy 265-454 V8
Part Number : 865-42303

TUFF STUFF
Water Pump Hose Nipple Chrome 3/4" Hose
Part Number : 908-4450B

WEIAND
Aluminum Water Outlet Includes Thermostat Housing
Part Number : 925-6242

WEIAND
Aluminum Water Outlet Includes Thermostat Housing
Part Number : 925-6252

TRANS DAPT
Steel Water Neck 1955-64 Small Block Chevy V8
Part Number : 969-9228

TRANS DAPT
Powdercoated Water Neck 1955-64 Small Block Chevy V8
Part Number : 969-9928

EDELBROCK
45 Degree Polished Aluminum Thermostat Housing Waterneck for Chevy 4.3L V6 and V8
Part Number : 350-4817

RPC
Steel Water Neck 1955-64 Small Block Chevy V8
Part Number : 707-R4788

RPC
Aluminum Water Neck 1966-75 Small Block Chevy 283-350 V8
Part Number : 707-R6003
REPLACEMENT PARTS

JEGS
Replacement Thermostat Housing O-Ring for JEGS Swivel Thermostat Housings
Part Number : 555-51152

JEGS
Replacement Thermostat Housing O-Ring for JEGS Swivel Thermostat Housings
Part Number : 555-51152
⚠️ Warning
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools
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Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.



