1978 GMC G-Series Performance Radiators

Change Vehicle
Show items:
Sort by:
Select Engine
  • Select Engine
  • 4.1L
  • 4.8L
  • 5.0L
  • 5.7L
  • 6.6L
    • (3 reviews)
      # 515794309
      GMC G-Series 1978, Thermocap™ Radiator Cap by Mr. Gasket®. OEM Replacement. With Thermometer Built In. 16 PSI. Keeping your engine cool is pretty important, so Mr. Gasket has a full line of cooling system accessories. Whether it’s a...
      Brilliant triple-chrome platingPrevent boilovers
      +1
      $32.43 - $37.53
    • (0 reviews)
      # mpn2264841
      GMC G-Series 4.8L 1978, Performance Aluminum Radiator by Mishimoto®. The Mishimoto performance aluminum radiator is designed and engineered to maximize cooling efficiency, boost engine functions, and most importantly protect your car...
      Direct fit for the 1970–1981 Chevrolet Camaro w/ L6 and V8 enginesFull aluminum radiator featuring robust TIG-welded construction
      $277.50
    • (0 reviews)
      # 608795419
      GMC G-Series 1978, Aluminum Radiator by Frostbite®. High-Horsepower street cars and trucks can be a challenge to keep cool. A proper cooling system starts with the right radiator. Aluminum Radiators cool more effectively and weight less...
      100% TIG welded (brazed) seamsAircraft quality aluminum core, fittings, and tanks (up to 30% weight savings)
      $242.95 - $403.95
    • (0 reviews)
      # 104586807
      GMC G-Series Automatic Transmission 1978, Muscle Car Radiator by Northern Radiator®. If you are looking for an optimal cooling solution, this first-rate product from Northern Radiator is the way to go. Engineered with great...
      High quality at an affordable priceExpertly made from premium materials
      $264.14 - $269.45
    • (0 reviews)
      # mpn195390506
      GMC G-Series 4.8L 1978, Aluminum X-Line Performance Radiator by Mishimoto®. The Mishimoto X-Line performance aluminum radiator features 3 rows to maximize cooling efficiency, boost engine functions, and most importantly protect your car...
      Direct fit for the 1970–1981 Chevrolet Camaro w/ L6 and V8 enginesFull aluminum radiator featuring robust TIG-welded construction
      $393.75
    • (0 reviews)
      # 288116574
      GMC G-Series 1978, Slim Profile Crossflow Radiator with Fan by Flex-a-Lite®. Size: 27" x 18 5/8" x 5 7/8". Inlet Location: Upper Driver Side. Outlet Location: Lower Passenger Side. Outlet-Inlet Size: 1.75"/1.5". Fan Quantity: Single....
      Makes for efficient heat transferPatented Flex-a-fit sidetank design
      $865.17
    • (0 reviews)
      # 608787409
      GMC G-Series 1978, Direct-Fit Crossflow Module by Be Cool®. Be Coolant is an Extended-Life, Super Duty Coolant & Antifreeze that is ideal for all applications. Be Coolant features a new-generation earth-friendly biodegradable, propylene...
      Made to improve your cooling system efficiencyDesigned to provide greater cooling power
      $1,399.99 - $2,499.99
    • (0 reviews)
      # 288116543
      GMC G-Series 1978, Slim Profile Crossflow Radiator by Flex-a-Lite®. Size: 27" x 18 5/8" x 2 1/4". Inlet Location: Upper Driver Side. Outlet Location: Lower Passenger Side. The all-aluminum radiator core is fully hand welded to the...
      Makes for efficient heat transferPatented Flex-a-fit sidetank design
      $562.89
    • (0 reviews)
      # mpn1422735586
      GMC G-Series 5.0L / 5.7L / 6.6L 1978, Officially Licensed GM Black Radiator Cap by Proform®. Knurled Perimeter. Stant 13 PSI Radiator Cap. Finish: Black. With Chevrolet Bowtie Emblem. Finish: Black Anodized. Material: Billet Aluminum....
      Officially Licensed GM ProductsCarefully designed to improve the performance of your vehicle
      $35.15
    • (0 reviews)
      # 32459619
      GMC G-Series 1978, Radiator by Replace®. Row quantity: 1. The radiator contains a series of small tubes through which coolant flows from the engine. A network of fins surrounds the tubes. Airflow through the grille when the vehicle is...
      Same quality as OE for less moneyDesigned with the latest software and manufactured with modern tooling
      $93.30 - $267.81
    • (0 reviews)
      # 48091313
      GMC G-Series with Transmission Oil Cooler without Engine Oil Cooler 1978, Radiator by Spectra Premium®. The radiator is a heat exchanger that transfers heat from your engine to the air flowing through the fins. If it’s damaged your...
      Highly trained in-house staff of engineers & designersAll models are validated for fit, form, and function before released into the market
      $89.00 - $233.66
    • (0 reviews)
      # 57026289
      GMC G-Series 1978, Radiator by APDI®. Construction: Plastic Tank Aluminum. 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...
      Same quality as OE for less moneyDesigned with the latest software and manufactured with modern tooling
      $79.55 - $156.14
    • (0 reviews)
      # mpn2626747312
      GMC G-Series Cutaway Van / Extended Cargo Van / Extended Passenger Van / Standard Cargo Van / Standard Passenger Van 1978, Radiator by Sherman®. Restore the OEM-specified cooling ability and be sure that your engine runs optimally and...
      Factory original quality at less costDirect fit replacement
      $110.77
    • (0 reviews)
      # mpn2372182
      GMC G-Series 1978, Radiator by Metrix®. Plastic Tank with Aluminum Core. This top-grade Metrix product is a great way to go if you want to ensure reliable operation of your automobile. It is made utilizing high-grade materials and the...
      Designed to help ensure reliable operation of your vehicleProven to deliver durable and efficient performance
      $142.40
    • (0 reviews)
      # 306893807
      GMC G-Series 1978, Crossflow Radiator with Transmission Oil Cooler by OSC Automotive®. Keep your engine cool with premium grade OSC cooling parts. Made to meet or exceed OE specifications, they’re designed to provide superior heat...
      This product is made of high-quality materials to serve you for years to come.Designed using state-of-the-art technology and with customers in mind.
      $95.18 - $275.78
    • (0 reviews)
      # 71652865
      GMC G-Series 1978, Professional™ Engine Coolant Radiator Cap by ACDelco®. With a full range of part numbers to fit most GM vehicles, ACDelco Professional Radiator Caps offer customers an ideal replacement for their worn OE part. Built...
      Lets you release the pressure prior to taking off the cap.Designed to be OE-like.
      $4.25 - $5.60
    • (0 reviews)
      # mpn1933792
      GMC G-Series 1978, Engine Coolant Replacement Radiator Cap by Gates®. Pressure: 16 lbs. Type: Optional System. Shell Diameter: 2.33". Filler Neck Outside Diameter: 2.13". Cap Depth: 1.25". Filler Neck Inside Diameter: 1.61". Filler Neck...
      Great design and functionMade from sturdy materials
      $2.75
    • (0 reviews)
      # mpn1933788
      GMC G-Series 1978, Engine Coolant Safety Release Radiator Cap by Gates®. Pressure: 16 lbs. Type: Optional System. Shell Diameter: 2.61". Filler Neck Outside Diameter: 2.13". Cap Depth: 1.5". Filler Neck Inside Diameter: 1.61". Filler...
      Great design and functionMade from sturdy materials
      $4.32
    • (0 reviews)
      # 101811755
      GMC G-Series 1978, Engine Coolant Radiator Cap by Stant®. Pressure: 16 lbs. Type: Optional System. Filler Neck Outside Diameter: 2.13". Filler Neck Inside Diameter: 1.61". Filler Neck Depth: 0.75". Test your radiator cap whenever you...
      Meets Original Equipment specificationsThe SWIV-EL design allows the cap to be installed and removed much easier than conventional radiator caps
      $2.62 - $3.83
    • (0 reviews)
      # 485046554
      GMC G-Series 1978, Radiator Drain Petcock by Dorman®. Dorman offers a variety of Radiator Drain Petcocks for a range of applications. Their high-quality design ensures effective draining of the cooling system.
      Designed to maintain proper cooling level and prevent overheatingDurably engineered for a long service life
      $2.65 - $3.68
    • (0 reviews)
      # mpn2239278934
      GMC G-Series Automatic Transmission 1978, Performance Direct Fit Combo Unit Radiator with Transmission Cooler by Griffin Thermal®. Size: 28" x 19" x 2.68". Inlet Location: Upper Passenger Side. Outlet Location: Lower Passenger Side....
      High quality at an affordable priceExpertly made from premium materials
      $817.24
    • (0 reviews)
      # mpn2239278934
      GMC G-Series Automatic Transmission 1978, Performance Direct Fit Combo Unit Radiator with Transmission Cooler by Griffin Thermal®. Size: 28" x 19" x 2.68". Inlet Location: Upper Passenger Side. Outlet Location: Lower Passenger Side....
      High quality at an affordable priceExpertly made from premium materials
      $817.24
    • (0 reviews)
      # 1151252081
      Double Pass 2 Row 1" Tube Core Radiator by AFCO®. Inlet Location: Upper Passenger Side. Outlet Location: Lower Passenger Side. To keep your engine cool and improve your vehicle's performance, this product is just the right solution....
      Perfect solution for racing or performance applicationsMade to provide unmatched efficiency and win
      $249.99 - $449.99
    • (0 reviews)
      # 1133524049
      UltraCool Radiator by CFR Performance®. Performance aluminum radiator features a single-pass, 2-row design with 1" tubes that have 14 fins per inch. These radiators are manufactured to CFR Performance's high standards of quality and are...
      Expertly Crafted from the highest grade materialsBuilt to provide the ultimate in reliability and strength
      $231.34 - $275.40
    • (0 reviews)
      # 922818695
      Radiator Cap Cover 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 excellent performance and years of...
      Billet Aluminum cap cover snaps right on to factory radiator and intercooler capsMoroso Cap Covers complete the look and complement your upgraded tank
      $46.91 - $63.61
    • (0 reviews)
      # 1151274077
      Race Pro Engine Coolant Radiator by Northern Radiator®. Outlet Location: Lower Passenger Side. If you are looking for an optimal cooling solution, this first-rate product from Northern Radiator is the way to go. Engineered with great...
      Made to enhance your cooling system efficiencyManufactured from durable materials to last
      $178.47 - $429.43
    • (0 reviews)
      # 1133523352
      UltraCool2 Radiator by CFR Performance®. Performance aluminum radiator features a double-pass, 2-row design with 1" tubes that have 14 fins per inch. The UltraCool2 series uses double-pass thermal technology by first passing coolant...
      Expertly Crafted from the highest grade materialsBuilt to provide the ultimate in reliability and strength
      $237.95


    1978 GMC G-Series Models
    Low Prices Price match guarantee
    In-House Experts We know our products
    Guaranteed Fitment Always the correct part
    Easy Returns Quick & Hassle Free

    All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.

    SECURE SHOPPING