1981 Chevy G-Series Performance Thermostat Housing & Filler Necks

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    • (0 reviews)
      # 1216457890
      Chevy G-Series 5.0L / 5.7L 1981, Low Profile Swivel Water Neck by Meziere Enterprises®. Outlet Size: 1.5". Performance, sophistication and durability are by no means all the benefits you'll get if you purchase this product by Meziere...
      Powerful and efficient designExtended service life
      +1
      $129.49
    • (0 reviews)
      # mpn359113239
      Chevy G-Series 5.0L / 5.7L with Chevy Small Block Gen I 1981, Water Neck Top with Bleeder by Canton Racing®. Material: Aluminum. Finish: Black Anodized. Increase the life of your vehicle's engine by keeping your cooling system in top...
      Made from high-grade materialsProvides efficient performance
      $25.00
    • (0 reviews)
      # 1216457886
      Chevy G-Series 5.7L 1981, Fixed Water Neck by Meziere Enterprises®. Performance, sophistication and durability are by no means all the benefits you'll get if you purchase this product by Meziere Enterprises. Designed to take the...
      Powerful and efficient designExtended service life
      +2
      $106.49 - $131.54
    • (0 reviews)
      # 1216457888
      Chevy G-Series 5.0L / 5.7L 1981, Swivel Water Neck by Meziere Enterprises®. Performance, sophistication and durability are by no means all the benefits you'll get if you purchase this product by Meziere Enterprises. Designed to take the...
      Powerful and efficient designExtended service life
      +2
      $81.43 - $100.22
    • (0 reviews)
      # 1311216479
      Chevy G-Series 5.7L 1981, Engine Coolant Filler Neck by Moroso®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide...
      High quality at an affordable priceBuilt to match your exact requirements
      $85.61 - $91.61
    • (0 reviews)
      # mpn358735336
      Chevy G-Series 5.0L / 5.7L 1981, Manifold Expansion Filler by CSR Performance®. Size: 6".
      High quality at an affordable priceExpertly made from premium materials
      $181.75
    • (0 reviews)
      # 1216457881
      Chevy G-Series 5.0L / 5.7L 1981, Water Neck by Meziere Enterprises®. Performance, sophistication and durability are by no means all the benefits you'll get if you purchase this product by Meziere Enterprises. Designed to take the...
      Powerful and efficient designExtended service life
      +3
      $40.09 - $55.12
    • (0 reviews)
      # 111073108
      Chevy G-Series with Small Block Chevy 1981, Water Header by Dedenbear®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely...
      Dual 3/4 inch NPT threads let coolant feed from either side of the engineDesigned to distribute coolant equally into both sides of the engine
      $137.95
    • (0 reviews)
      # 1216457878
      Chevy G-Series 5.0L / 5.7L 1981, Water Neck Spacer by Meziere Enterprises®. Performance, sophistication and durability are by no means all the benefits you'll get if you purchase this product by Meziere Enterprises. Designed to take the...
      Powerful and efficient designExtended service life
      $31.32 - $50.11
    • (0 reviews)
      # mpn3444261089
      Chevy G-Series 5.0L / 5.7L with Chevy Small Block Engine 1981, Water Outlet Restrictors by Milodon®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from...
      Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology
      $11.95
    • (0 reviews)
      # 1216457896
      Chevy G-Series 5.0L / 5.7L 1981, Water Outlet Gasket by Mr. Gasket®. Keeping your engine cool is pretty important, so Mr. Gasket has a full line of cooling system accessories. Whether it’s a simple, plain-Jane thermostat installed...
      Requires no gasket sealerMade of high quality materials
      $3.21 - $19.45
    • (0 reviews)
      # 1216457898
      Chevy G-Series 5.0L / 5.7L 1981, Thermostat Housing Bolt Kit by ARP®. Quantity: Set of 3. Thread: 3/8". UHL: 1.000"/2.000". To keep your engine cool and improve your vehicle's performance, this product is just the right solution....
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $6.63 - $8.49
    • (0 reviews)
      # 1216482842
      Chevy G-Series 1981, Engine Coolant Thermostat Gasket by Cometic Gasket®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $2.17
    • (0 reviews)
      # 1216457894
      Chevy G-Series 5.0L / 5.7L with Chevy Small Block Gen I 1981, Racer Water Neck by Canton Racing®. Material: Billet Aluminum. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty...
      Made from high-grade materialsProvides efficient performance
      $66.00 - $138.00
    • (0 reviews)
      # 1216433887
      Chevy G-Series 1981, Engine Coolant Thermostat Housing by Dorman®. Bolt Hole Diameter: 0.313". Quantity: 2 Bolt Hole. Finish: Natural. Re-engineered to address common failure points in the original equipment, Dorman’s Engine Coolant...
      Direct replacement for a proper fit every timeHoses slide on for easy installation
      $9.52 - $9.92
    • (0 reviews)
      # mpn4495257592
      Chevy G-Series 1981, Engine Coolant Water Outlet without Thermostat by CompressorWorks®. Inlet Diameter: 1.24". CompressorWorks products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of...
      Meets and/or exceeds OEM standardIncludes quality gasket or O-ring to ensure proper seal (where applicable)
      $9.50
    • (0 reviews)
      # 1287470913
      Chevy G-Series 1981, Engine Coolant Water Outlet without Thermostat by Four Seasons®. Material: Aluminum. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $10.13 - $12.41
    • (0 reviews)
      # 761864455
      Chevy G-Series 1981, Professional™ Engine Coolant Thermostat Housing Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $0.39
    • (0 reviews)
      # 761702682
      Chevy G-Series 1981, Engine Coolant Thermostat Housing Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $1.08 - $1.11
    • (1 review)
      # 1216433884
      Chevy G-Series 1981, Engine Coolant Water Outlet Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the...
      Quality that you can trustValidated for fit, form and function
      $0.68 - $8.71
    • (0 reviews)
      # 157608390
      Chevy G-Series 1981, Engine Coolant Thermostat Housing Gasket by Stant®. Bolt Hole Diameter: 1.81". Cut installation time by as much as 50% with Stat Lok® adhesive backed thermostat gaskets. They’ll hold the thermostat in place,...
      Gaskets are cut to specific application requirementsStat Lok® Gaskets have adhesive backs to aid installation
      $0.30 - $0.31
    • (0 reviews)
      # mpn589686
      Chevy G-Series 4.1L 1981, Engine Coolant Thermostat Housing Gasket by Victor Reinz®. Location: Housing to Head. Material: Paper. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $0.69
    • (0 reviews)
      # 1216457900
      Chevy G-Series 5.0L / 5.7L 1981, Engine Coolant Water Outlet Gasket by Victor Reinz®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $0.87 - $8.86
    • (0 reviews)
      # mpn4482322405
      Chevy G-Series 5.0L / 5.7L 1981, Engine Coolant Water Outlet Gasket by Apex Auto®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $0.60
    • (0 reviews)
      # mpn4563352781
      Chevy G-Series 5.0L / 5.7L 1981, Engine Coolant Thermostat Housing Gasket by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and...
      Great design and functionMade from sturdy materials
      $0.31
    • (0 reviews)
      # 1393237548
      Thermostat Housing by CVR Performance®. This product is made of high-quality materials to serve you for years to come. Designed usig state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      Built to match your exact requirementsMade from premium materials to endure years of abuse
      $50.86 - $92.40
    • (0 reviews)
      # 1393300548
      Thermostat Housing by CSR Performance®. Finish: Clear. Designed with exceptional craftsmanship, this first-rate product ensures maximum results when it comes to keeping engine temperatures down. Made from sturdy materials, it provides...
      High quality at an affordable priceExpertly made from premium materials
      $52.97 - $146.87
    • (0 reviews)
      # 1216570891
      Water Neck by Mr. Gasket®. Keeping your engine cool is pretty important, so Mr. Gasket has a full line of cooling system accessories. Whether it’s a simple, plain-Jane thermostat installed where the sun don’t shine or a full-on...
      Brilliant triple-chrome platingPrevent boilovers
      $15.12 - $41.09
    • (0 reviews)
      # 1393394552
      Swivel Filler Neck by CSR Performance®. Designed with exceptional craftsmanship, this first-rate product ensures maximum results when it comes to keeping engine temperatures down. Made from sturdy materials, it provides unparalleled...
      High quality at an affordable priceExpertly made from premium materials
      $146.87 - $170.47
    • (0 reviews)
      # 1216570892
      Water Neck by Edelbrock®. If you are looking for a high-quality replacement part, this product is just the ticket. It was expertly designed by professional engineers using the state-of-the-art equipment and thoroughly tested to ensure...
      High quality at an affordable priceBuilt to match your exact requirements
      $15.95 - $33.95
    • (0 reviews)
      # mpn359113238
      Straight Water Neck by Canton Racing®. Material: Billet Aluminum. Finish: Natural. Hose: -16AN. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component...
      Made from high-grade materialsProvides efficient performance
      $39.00
    • (0 reviews)
      # 1216570890
      Coolant Thermostat Housing by Proform®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide excellent performance and...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $14.50 - $19.02
    • (0 reviews)
      # mpn1422735756
      Coolant Thermostat Housing by Proform®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide excellent performance and...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $15.36
    • (0 reviews)
      # 1216570889
      Officially Licensed GM Coolant Thermostat Housing by Proform®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide...
      Officially Licensed GM ProductsCarefully designed to improve the performance of your vehicle
      $21.69 - $21.81
    • (0 reviews)
      # mpn4498741326
      Dual Port Water Neck by Racing Power Company®. Material: Steel. Finish: Chrome.
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $15.02
    • (0 reviews)
      # 1216570887
      Water Neck by Racing Power Company®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide excellent performance and...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $11.90 - $47.44
    • (0 reviews)
      # 1216563907
      Water Neck by Speed FX®. Designed with meticulous attention to detail, this high-grade water neck by Speed FX ensures uncompromising reliability you are looking for. This product is made from premium stainless steel to reliably serve...
      Tested to outperform all comparable products on the marketMade from premium materials to endure years of abuse
      $17.58 - $30.42
    • (1 review)
      # 1216570900
      Thermostat Housing by Billet Specialties®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide excellent performance...
      Designed with the latest innovationsMade to ensure a high level of quality
      $34.95 - $79.95
    • (0 reviews)
      # 1374626954
      Water Neck by CFR Performance®.
      Expertly Crafted from the highest grade materialsBuilt to provide the ultimate in reliability and strength
      $8.98 - $17.77
    • (0 reviews)
      # 1216570899
      Filler Neck by Canton Racing®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient replacement product and be sure the heart...
      High quality at an affordable priceBuilt to match your exact requirements
      $28.00 - $40.00
    • (0 reviews)
      # mpn4498740309
      Water Neck Block Off Plate by Racing Power Company®.
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $17.10
    • (0 reviews)
      # 1168037678
      Water Pump Bolt Kit by ARP®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide excellent performance and years of...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $13.31 - $40.77
    • (0 reviews)
      # mpn4499210509
      Water Neck O-Ring by Speed FX®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide excellent performance and years...
      Tested to outperform all comparable products on the marketMade from premium materials to endure years of abuse
      $17.76
    • (0 reviews)
      # 1085014304
      Thermostat Housing Gasket by AllStar Performance®. The key to success in a car building project is access to high quality, reasonably priced parts that get the job done right. Each Allstar part is the result of thier dedication to...
      High quality at an affordable priceExpertly made from premium materials
      $1.69 - $35.99
    • (0 reviews)
      # mpn4491661507
      Chevy G-Series Van 1981, Engine Coolant Thermostat Housing by Merchant Automotive®. Build your ideal engine cooling system with superior Merchant Automotive cooling system parts that will help effectively carry away heat to prevent...
      Designed to increase cooling system performance and reliabilityHelp efficiently cool down your engine compartment
      $155.33
    • (0 reviews)
      # mpn4491637848
      Chevy G-Series 4.1L 1981, Professional™ Engine Coolant Water Outlet without Gasket by ACDelco®. Material: Aluminum. Finish: Natural. Hole: With 2 Mounting Holes. Designed utilizing the latest technology, this product by ACDelco...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $22.20
    • (0 reviews)
      # 912040860
      Chevy G-Series 1981, Engine Coolant Thermostat Housing Gasket by MotoRad®. MotoRad seals and gaskets are made from high quality materials suitable for resistance to high temperatures and engine coolant to maintain a superior, long...
      Made of High quality materialsResistance to high tempertures
      $0.26 - $0.28
    • (0 reviews)
      # 1374499936
      Thermostat Housing by PSS®.
      304 Stainless SteelO-ring for a positive seal (no need for gasket or sealant)
      $87.21 - $136.56
    • (0 reviews)
      # mpn4521056675
      Engine Coolant Thermostat Housing Screws by PSS®. Thread: 3/8"-16".
      304 Stainless Steel offers high corrosion resistanceFabricated on state-of-the-art equipment
      $3.04
    • (0 reviews)
      # mpn4521056670
      Replacement O-Ring for Thermostat Housing by PSS®.
      304 Stainless Steel offers high corrosion resistanceFabricated on state-of-the-art equipment
      $3.13


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