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1998 GMC Radiators
Showing In Stock Items. Show All 35 Items.
Cold Case Performance Aluminum Radiator Modules
Cool just got better! Cold-Case performance aluminum radiator modules bundle performance components for the most efficient cooling available. They've packaged their high-quality radiators with their exact fit shrouds and electric fans to deliver the best fit with an original look, an easy install, and effective cooling at an affordable price. Order the universal or application-specific model best suited for fitment in your engine bay. All Cold-Case radiator modules feature: * OEM-stamped, fully polished tanks * Aluminum shroud * Electric fan(s) * Correct OEM fitment * Lightweight, efficient aluminum construction * 100 percent TIG-welded * Internally welded filler necks offer a clean, factory look * Two oversized cooling rows for increased capacity * 1 in. to 1 1/4 in. tubes for higher volume * Works with factory filler cap * Includes OEM-style petcock * 42.7 percent lighter than comparable copper radiators * 30 percent thicker materials than no-name aluminum radiators * 60-day COOL guarantee
( 197 )
$717.54
Cold Case Performance Aluminum Radiators
Cold-Case performance aluminum radiators are available and affordable for all. These high-quality, tube-and-fin performance radiators are true OE styles for most applications. Each Cold-Case design distributes fluid more evenly, eliminating hot and cold spots. Also, the massive cores take up the entire width of their tanks, so you get the most efficient cooling possible. The radiators drop-in without modifications needed (on most) and look original. Plus, Cold-Case stands behind its quality and research with a limited lifetime warranty on their products. All Cold-Case radiators feature: * Lightweight, efficient aluminum construction * 100 percent TIG-welded * Internally welded filler necks offer a clean, factory look * Two oversized cooling rows for increased capacity * 1 in. to 1 1/4 in. tubes for higher volume * Works with factory filler cap * Includes OEM-style petcock * 42.7 percent lighter than comparable copper radiators * 30 percent thicker materials than no-name aluminum radiators * 60-day COOL guarantee
( 661 )
$440.54
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$444.54
Summit Racing™ Pro LS Swap Radiators
Summit Racing™ Pro LS swap radiators are available for most popular LS swap applications. They're quality-constructed from aluminum to provide exceptional weight savings over stock equipment. You've put a lot of time and money into transforming your everyday street machine into a street demon, but to truly capture that performance that's too hot to handle, you've got to turn the temperature way down. Install one of these cooling aluminum radiators in the front of the engine bay to neutralize the threat of overheating. The radiators come in a variety of configurations, each possessing its own unique combination of features, to work for the specific make and model vehicle that they're intended.
( 29 )
$344.99
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$351.99
Be Cool Factory Fit Modules
Be Cool factory fit modules provide drop-in convenience, plus the capability of keeping engines up to 1,000 hp (depending on your application) running at the proper temperature! These modules feature Be Cool's factory fit radiator that has two rows of 1 in. tubes to reduce coolant temperatures, a billet filler neck, a drain petcock, and .080 in. wall hand-fabricated aluminum tanks. You can choose either a natural finish or kick it up a notch with the polished finish and dress your engine compartment with shiny performance. Be Cool offers hundreds of models and options for fitment on a wide range of vehicles. Most module kits include a new aluminum radiator, electric fan(s) with mounting brackets, a Be Cool radiator cap, an overflow catch can, and a fan wiring kit.
( 92 )
$1,199.99
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$1,699.99
Summit Racing™ Plastic/Aluminum Radiators
A Summit Racing™ plastic/aluminum radiator gives your engine bay the current cooling update it needs. These units are designed for premium performance, while fitting your vehicle's original mounts, so your ride can have a new radiator without modifications to the brackets and fittings. The radiators are available in various sizes and styles to fit your application. Efficient and economical, Summit Racing™ replacement radiators are an excellent option to restore the cooling performance your vehicle requires.
( 88 )
$169.99
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$313.99
On Sale
Frostbite Performance Cooling Aluminum Radiators
Protect your ride from overheating! Now you can maximize cooling efficiency with Frostbite's performance cooling aluminum radiators. They're engineered to cool more effectively and weigh less than the older OEM-style brass units, enhancing the overall performance of your engine. Frostbite radiators are available in a variety of application-specific fitments, each unit engineered with aircraft-quality aluminum cores, fittings, tanks with billet aluminum filler necks, and OEM-style brass petcocks. A proper cooling system starts with the right radiator—the Frostbite!
( 322 )
$449.95
$403.95
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$870.95
Summit Racing™ Pro LS Conversion Radiator and Fan Combos
Summit Racing™ Pro LS conversion radiators and fan combos are available for most popular LS swap applications. They're quality-constructed from aluminum to provide exceptional weight savings over stock equipment. These combos also include an electric fan, fan shroud, and mounting hardware. You've put a lot of time and money into transforming your everyday street machine into a street demon, but to truly capture that performance that's too hot to handle, you've got to turn the temperature way down. Install one of these cooling aluminum radiator and fan combos in the front of the engine bay to neutralize the threat of overheating. The radiators come in a variety of configurations, each possessing its own unique combination of features, to work for the specific make and model vehicle that they're intended.
( 13 )
$647.94
Summit Racing™ Radiator Caps
Summit Racing™ offers replacement radiator caps for a variety of applications. These recovery-style caps feature a heavy-duty design built to handle the pressures of street/strip use. They're compatible with many engine designations, and are available in pressure ranges up to 26 psi. Order the cap preferred for your engine bay.
( 91 )
$5.99
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$6.99
MotoRad Lev-R-Vent Radiator Caps
Improve your safety quotient with these Lev-R-Vent radiator caps from MotoRad. Lev-R-Vent radiator caps feature a unique pressure release lever that vents pressure prior to removing the caps, reducing the risk of injury. These caps are designed to easily fit in the smaller spaces of today's engines.
( 13 )
$5.99
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$7.99
Body Parts Radiator Supports
Body Parts radiator supports are aftermarket replacement products for your old or damaged factory units. Keep your radiator secure and your cooling system in tip-top shape with their steel supports parts. An affordable solution for your replacement needs.
( 78 )
$27.99
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$226.99
MotoRad Radiator Caps
MotoRad products offers a wide variety of radiator caps for domestic and import cars, heavy-duty and light trucks, racing, off-road, and agricultural applications. MotoRad offers standard on radiator caps, as well as caps for coolant recovery tanks. Whatever your cooling needs are, you can count on MotoRad for the right products.
( 9 )
$3.99
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$7.99
Be Cool Custom-Fit Aluminum Radiators
Do you want cooling improvement and performance? During a test, a Be Cool aluminum radiator was installed in a 1955 Chevy in about an hour and lowered its operating temperature from 220 degrees to 180 degrees F--even with the air conditioning going full-blast. Be Cool custom-fit aluminum radiators are designed to be an exact fit, and they feature 15 percent more cooling capacity than factory 4-core models. What's more, they can be used with all brands of antifreeze and are available in both standard and polished finishes.
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$449.99
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$949.99
On Sale
Summit Bucks
Mishimoto OE Replacement Radiators
Mishimoto OE replacement radiators are ideal replacements for aged, clogged, or leaking original equipment radiators. They are an exact fit replacements, function with all stock engine bay equipment, and require no alterations. A failed radiator can land a vehicle directly into the shop. Don't let an aged or leaking stock radiator be the downfall of a good engine. Key features of Mishimoto OE replacement radiators include: * Application specific for an exact fit installation * 100 percent brazed aluminum core for increased strength and clean joints * Durable plastic tanks * Automatic transmission and accessory coolers included where applicable * Compatible with all OE fittings, hoses, and brackets
( 32 )
$384.95
Agility Auto Parts Radiators
Agility Auto Parts offers a complete line of radiators covering most North American vehicle applications. These certified automotive condenser components meet or exceed the manufacturer's specifications, making them ready to install out of the box. Engineered and manufactured under ISO TS16949 quality system guidance, every Agility Auto Parts radiator is 100 percent leak-tested for trouble-free operation and utilize a B-tube design to optimize coolant flow through the radiator, while adding structural rigidity creating a durable tube. Plastic tanks are designed and tested to 100,000 pressure cycles with no cracks, bowing, or distortion. The tanks are cast with ribbing inside or out for added strength. Order the radiator model designed to fit your application.
( 33 )
$93.99
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$370.99
Rust Buster Radiator Core Support Mounts
Rust Buster Frameworks offers radiator core support mounts for a wide range of applications, including many Chevrolet and GMC trucks from 1988 and up. These supports replace the factory mounts and are built to OE specs from heavy-duty 11-gauge steel. The mounts pair well with Rust Buster Rust Paint to deter corrosion. Sold individually or in pairs, they ship with an oil protective coating to prevent oxidation during transit. Protect and enhance the structural integrity of your radiator with an assist from Rust Buster Frameworks. Order the model designed to fit your vehicle.
( 1 )
$59.99
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$66.99
Sherman Radiator Core Supports
Sherman radiator core supports are engineered to provide an easy fit and finish to give your radiator a better foundation. Securing your radiator and keeping it in its proper place provides better performance and lasting service life. Mount your radiator solidly with Sherman radiator core supports.
( 48 )
$139.99
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$149.99
Clearance
ACDelco Radiator Caps
ACDelco radiator caps help restore cooling performance with the proper fit, form, and function for your vehicle. They feature high-quality materials and strict design requirements that match OE specifications—critical to ensuring an easy installation and dependable operation. The replacement caps are available in dozens of styles and options. Order the model recommended for your application.
( 63 )
$11.99
Clearance
Reach Cooling Radiators
REACH Cooling offers more than 1,000 radiator models, covering roughly 95 percent of popular automotive and light truck applications. All of their replacement parts are designed to meet or exceed original equipment specifications, ensuring that they will fit and perform just like stock. REACH aluminum radiators are available in crossflow or downflow styles; with numerous inlet/outlet size and location options. Many models also include a transmission cooler. Order the radiator recommended for your vehicle.
( 34 )
$124.99
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$185.99
Proform Slim-Fit Radiator Systems
Proform Slim-Fit radiator systems are groundbreaking units designed up to 40 percent thinner than standard coolant equipment. They seamlessly blend the radiator, fan, thermostat, and shroud to create a unified system that's under 4 in. thick, looks and performs great—and is pre-assembled, ready for an exact fit into your vehicle. With revolutionary engineering, Proform has integrated the motor directly into a uniquely designed core made with state-of-the-art brazing technology. The core itself is a hybrid combination of traditional dual 1 in. tubes and full core-width extruded tubes. Combine this with a high performance fan blade inserted into a smooth aluminum shroud, and the result is the industry's thinnest, most streamlined look. Every Slim-Fit radiator includes a shroud, electric fan with adjustable thermostat, wiring harness, and radiator cap. Order the model recommended to fit your application.
( 24 )
$799.99
On Sale
Summit Bucks
Mishimoto Performance Radiators
Mishimoto performance radiators are designed and engineered to maximize cooling efficiency, boost engine functions, and, most of all, protect your engine from overheating. Many stock radiators can't handle the additional heat that comes higher horsepower levels. So, swap out your stock radiator for an all-aluminum Mishimoto. Key features and benefits of Mishimoto performance radiators include: * Available for universal and exact fit applications (no cutting or modifications required) * All-aluminum construction for optimal heat dissipation, improved strength, and reliability * Increased cooling capacity due to their massive core size * 100 percent brazed aluminum core for minimal distortion, low stress, and clean joints * Available in various sizes with 2-row or 3-row cores * TIG-welded for clean, strong welds and increased durability * Magnetic drain plugs capture metallic debris or fragments * Included high-pressure 1.3 bar cap raises the coolant boiling point for greater safety and efficiency * Automatic transmission and accessory coolers included where applicable
( 339 )
$864.95
CSF Radiators
CSF radiators are offered in the industry's widest variety, servicing thousands of vehicle-specific and universal applications … including every brand from Acura to Volkswagen. Whether your radiator is copper-brass, plastic-copper-brass, plastic-aluminum, or all-aluminum, CSF has you covered with the same materials and style as OE. CSF manufactures the highest quality aftermarket replacement radiators, with the strongest and most efficient components available in the industry. All CSF radiators undergo a rigorous testing process in their state-of-the-art testing lab. CSF's procedures and requirements set the bar for cooling system reliability and performance: * Individually leak tested * Vibration-cycle tested * Thermal-cycle tested * Wind tunnel tested for optimal radiator core cooling efficiency * Burst pressure and impulse-cycle tested for strength * Salt spray tested for corrosion protection * 10 ft. box drop test to ensure packaging protection * 30-point fitment inspection on critical dimensions to ensure drop-in fit with no modifications (where applicable)
( 103 )
$181.99
Dorman Coolant Air Bleeder Kits
Anytime you lose or drain coolant from your cooling system, you'll need to bleed the air out of it for proper operation. Dorman coolant air bleeder kits are available for a variety of applications. They'll keep your thermostat opening properly by preventing air from disrupting the coolant flow.
( 3 )
$11.99
Flex-A-Lite Billet Aluminum Radiator Caps
A Flex-A-Lite billet aluminum radiator cap will make a beautiful upgrade under the hood. These caps are rated at 22 psi and fit nearly all factory and aftermarket radiators from 1973 until the present.
( 1 )
$26.99
ACDelco GM Genuine Parts Engine Coolant Air Bleed Valves
ACDelco GM Genuine Parts engine coolant air bleed valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These are the true OE parts installed during the production of or validated by General Motors for GM vehicles.
( 1 )
$9.99
