
Introduction
When your race car's cooling system fails mid-season or your street rod overheats at a car show, the cost goes beyond tow bills and missed events. Finding the right replacement radiator that delivers professional-grade cooling performance without the OEM price tag can mean the difference between a competitive season and watching from the sidelines.
Performance and custom vehicle radiators face extreme demands that standard automotive cooling systems can't handle. Track temperatures exceeding 200°F, sustained high-RPM operation, increased horsepower generating more heat, and tight engine bay fitments all require specialized aluminum radiators engineered for maximum cooling efficiency.
This guide examines the top suppliers offering high-performance replacement radiators designed specifically for racing applications, street rods, and custom builds across the USA.
TLDR
- Construction equipment radiators handle 151 kW+ heat rejection, far exceeding automotive standards
- Aluminum radiators dominate 65% of the market due to corrosion resistance and weight savings over copper-brass
- Aftermarket options deliver 30-50% cost savings versus OEM parts while maintaining comparable quality standards
- Leading suppliers offer 1-3 year warranties with premium providers extending coverage to 48 months
- Delivery ranges from same-day pickup for common models to 2-3 weeks for custom builds
Overview of Construction Equipment Radiators in the USA Market
Construction equipment radiators differ fundamentally from truck radiators through reinforced tank construction, wider fin spacing to prevent debris clogging, and cooling capacities designed for engines generating 150+ kW of heat rejection under continuous load.
The U.S. construction equipment aftermarket reached $7.2 billion in 2024, with the radiator segment expanding at approximately 4% CAGR through 2028 as aging equipment fleets drive replacement part demand. The market splits roughly 70% OEM (driven by new machine production) and 30% aftermarket, though the aftermarket share is growing as operators extend equipment service life beyond traditional replacement cycles.
Cooling system failures account for 40-60% of all engine downtime. This makes radiator reliability a critical factor in total cost of ownership calculations.

This guide profiles the top 10 suppliers based on:
- Equipment brand coverage and OEM compatibility
- Quality certifications (ISO 9001 and OEM-specific standards)
- Customer review ratings and warranty terms (up to 48 months)
- Delivery capabilities (same-day to expedited emergency services)
Top 10 Construction Equipment Replacement Radiator Suppliers in USA
Selection criteria for these suppliers include:
- Product range covering major brands (Caterpillar, Komatsu, Case, John Deere, Volvo)
- Quality certifications (ISO 9001, OEM approvals)
- Verified customer reviews and warranty coverage (1-3+ years)
- Delivery speed including same-day options
Supplier 1: Active Radiator
Active Radiator has operated as a family-owned manufacturer and distributor since 1953, specializing in construction and heavy equipment cooling systems with both OEM replacement and custom fabrication capabilities. ISO 9001 certification and same-day shipping for stocked parts set them apart.
Custom radiator builds deliver in about 2 weeks. They maintain extensive inventory for immediate availability on common equipment models while offering engineering support for unique applications.
| Equipment Brands Covered | Core Technology/Materials | Warranty & Support |
|---|---|---|
| Caterpillar, Komatsu, John Deere, Perkins, and major construction equipment manufacturers | ISO 9001 certified manufacturing with aluminum and copper-brass construction options, custom core designs for specific heat rejection requirements | Stocked parts ship same-day; custom builds delivered in approximately 2 weeks; technical support for fitment verification |
Supplier 2: Mesabi (L&M Radiator)
Mesabi, a WABTEC company, leads the industry in flexible core heat exchanger technology with decades of specialization in off-highway equipment cooling systems designed to outlast the machines they serve. Field-repairable radiator designs feature individual replaceable tubes.
This eliminates complete unit replacement for minor damage. This modular approach significantly reduces lifetime cooling system costs for fleet operators.
| Equipment Brands Covered | Core Technology/Materials | Warranty & Support |
|---|---|---|
| Caterpillar, Komatsu, and major OEM construction equipment lines | Patented flexible core design with individual replaceable tubes, brazed aluminum construction, rubber seal grommets to eliminate thermal stress | Industry-leading 48-month warranty against seal leakage; field-repairable design reduces replacement costs; emergency shipping within 48 hours |

Supplier 3: American Radiator
American Radiator brings 35+ years of experience as both a distributor and full-service repair facility, maintaining extensive inventory across construction, agricultural, and commercial truck cooling systems.
Same-day shipping on stocked items and a comprehensive two-year warranty program cover manufacturing defects and normal operating conditions.
| Equipment Brands Covered | Core Technology/Materials | Warranty & Support |
|---|---|---|
| Freightliner, Peterbilt, John Deere, Case IH, Caterpillar, and major construction brands | Aluminum and copper-brass radiator construction with OEM-equivalent specifications and quality control standards | Two-year warranty on all products; same-day shipping on stocked items; full repair services available for damaged radiators |
Supplier 4: Thermal Solutions Manufacturing (TSM)
TSM leverages over 100 years of thermal management history with five North American manufacturing plants strategically positioned to serve construction equipment markets across the United States and Canada.
Their "Truck Tough" product line specifically targets heavy-duty applications, while their nationwide warehouse network enables rapid delivery to minimize equipment downtime during cooling system failures.
| Equipment Brands Covered | Core Technology/Materials | Warranty & Support |
|---|---|---|
| Broad coverage including heavy industrial, agricultural, and construction equipment across major manufacturers | "Truck Tough" reinforced construction, aluminum and copper-brass options, wide fin spacing for debris resistance | Nationwide warehouse network for fast delivery; technical support for application verification; warranty terms available upon request |
Supplier 5: Griffin Thermal Products
Griffin Thermal Products has specialized in aluminum radiator manufacturing since 1981, focusing on exact-fit OEM replacements and custom builds for construction and industrial equipment applications.
ISO 9001:2015 certification and aluminum-exclusive focus deliver consistent quality. The lightweight, corrosion-resistant cooling solutions reduce equipment weight while maintaining superior heat transfer performance.
| Equipment Brands Covered | Core Technology/Materials | Warranty & Support |
|---|---|---|
| Construction, agricultural, and industrial equipment across multiple manufacturers | ISO 9001:2015 certified all-aluminum construction, brazed core technology, exact-fit OEM replacement specifications | Technical support for custom builds; warranty coverage on manufacturing defects; engineering assistance for non-standard applications |
Supplier 6: Costex Tractor Parts (CTP)
Costex operates as a worldwide supplier of premium replacement parts for construction and industrial equipment, with particular strength in Caterpillar and Komatsu aftermarket components.
Extensive global distribution networks ensure parts availability across North America. The focus on premium-quality replacements meets or exceeds OEM specifications.
| Equipment Brands Covered | Core Technology/Materials | Warranty & Support |
|---|---|---|
| Caterpillar, Perkins, Komatsu, John Deere, and other major construction equipment manufacturers | Premium aftermarket construction meeting OEM specifications, aluminum and copper-brass options depending on application | Extensive distribution network; technical support for parts verification; warranty terms available through dealer network |
Supplier 7: FSR Racing Products (Four Seasons Radiator)
FSR Racing Products operates from Memphis, Tennessee, specializing in hand-built all-aluminum radiators where racing-proven cooling technology meets custom construction equipment applications requiring non-standard configurations.
Key differentiators include:
- American-made custom fabrication for modified or unique equipment
- Engineering cooling solutions where standard parts aren't available
- Competitive pricing on custom orders backed by decades of high-performance cooling expertise
- Full repair services for damaged radiators
| Equipment Brands Covered | Core Technology/Materials | Warranty & Support |
|---|---|---|
| Custom builds for various construction equipment, ground support applications, tractors, generators, and LS swap installations where standard radiators don't fit | Hand-built all-aluminum construction, racing-grade core design, reinforced heavy-gauge tubes, American craftsmanship at their Gallaway, TN facility | Custom radiator consultation available at 901-385-1900; full repair services for damaged units; direct contact with production team for technical support |
Supplier 8: ConEquip Parts
ConEquip Parts specializes in aftermarket construction equipment components with a unique hybrid model combining new aftermarket parts with an extensive salvage yard network for hard-to-find components.
Regional presence focuses on fast solutions for equipment downtime emergencies. This proves particularly valuable for older equipment where OEM parts become limited or cost-prohibitive.
| Equipment Brands Covered | Core Technology/Materials | Warranty & Support |
|---|---|---|
| Caterpillar, Komatsu, Case, John Deere, Volvo CE, Kobelco, and other major construction equipment manufacturers | Aftermarket radiators meeting OEM specifications, aluminum construction standard, quality control processes for salvage components | Extensive salvage yard network for emergency replacements; focus on fast solutions for downtime situations; technical support for parts identification |
Supplier 9: Modine Manufacturing
Modine brings industry-leading thermal management expertise since 1916, serving agriculture, construction, and mining sectors with engineered cooling solutions backed by global testing capabilities.
Comprehensive engineering resources handle demanding applications, while proven durability withstands extreme environments. Thermal management expertise extends beyond radiators to complete cooling system optimization.
| Equipment Brands Covered | Core Technology/Materials | Warranty & Support |
|---|---|---|
| Agriculture, construction, and mining equipment across major manufacturers | Advanced thermal management technology, rigorous testing protocols for extreme environments, aluminum and copper-brass options | Global engineering support; extensive testing capabilities; warranty coverage through authorized distributors; technical resources for system optimization |
Supplier 10: API Heat Transfer
API Heat Transfer leverages 140+ years of heat exchanger experience across mobile equipment, industrial markets, and power generation applications with comprehensive product lines including Airtech and Basco brands.
Nationwide coverage and broad product range span from radiators to complete cooling packages. Technical resources address complex thermal management challenges in specialized construction equipment.
| Equipment Brands Covered | Core Technology/Materials | Warranty & Support |
|---|---|---|
| Mobile equipment, construction machinery, industrial applications, and power generation equipment | High-performance heat exchanger technology, multiple brand options (Airtech, Basco), aluminum and copper-brass construction | Nationwide distribution network; technical support for thermal management challenges; warranty terms available through authorized channels |
How We Chose the Best Construction Equipment Radiator Suppliers
We evaluated suppliers by addressing the most common buyer mistakes. These include prioritizing the lowest initial price while ignoring total cost of ownership, overlooking warranty coverage that protects against premature failure, and failing to verify equipment-specific fit before purchase.
Our selection criteria directly counter these pitfalls.
Key evaluation factors included:
Product Range & Compatibility
- Coverage for major construction equipment manufacturers including Caterpillar, Komatsu, Case, John Deere, and Volvo
- OEM part number cross-referencing for exact fitment
- Availability for both current and legacy equipment models
Material Quality & Construction Standards
- ISO 9001 certification or equivalent quality management systems
- Aluminum versus copper-brass construction appropriate to application requirements
- Cooling capacity matched to engine demands (150+ kW for large equipment)
- Reinforced construction with brazed cores, heavy-gauge tubes, and vibration resistance

Warranty & Support Infrastructure
- Warranty length ranging from 1-3 years, with premium suppliers offering up to 48-month coverage
- Clear warranty terms covering manufacturing defects and seal leakage under normal operating conditions
- Customer review ratings and complaint resolution track records
- Technical support for fitment verification and installation help
Delivery Speed & Geographic Coverage
- Same-day shipping capabilities for common models
- Emergency expedited delivery options for critical downtime situations
- Custom fabrication turnaround times of 2-3 weeks for specialized equipment
- Regional distribution networks supporting rapid parts availability
Price Competitiveness Within Quality Tiers
- Aftermarket pricing typically 30-50% below OEM equivalents
- Price ranges from $300 for small equipment to $2,500+ for large excavators and dozers
- Total cost of ownership including warranty coverage and expected service life

Conclusion
Selecting the right construction equipment radiator supplier requires balancing immediate purchase cost against long-term reliability. Construction equipment downtime costs 4x automotive sector rates, making supplier reliability critical.
Construction applications demand radiators that withstand constant vibration, debris impacts, and heat loads exceeding 150 kW.
Before making final purchasing decisions, evaluate these key factors:
- Verify exact equipment model compatibility using OEM part number cross-references
- Compare warranty terms focusing on coverage length and exclusions
- Evaluate delivery timeframes for your location including expedited emergency options
- Assess supplier technical support for installation guidance and troubleshooting
For specialized applications requiring custom cooling solutions beyond standard construction equipment inventory, consider manufacturers who build application-specific radiators to address unique thermal management challenges.
Frequently Asked Questions
What is the average lifespan of a construction equipment radiator?
Construction equipment radiators typically last 3-7 years depending on operating conditions and maintenance practices. Proper maintenance including daily fin cleaning, regular coolant changes at manufacturer intervals (typically every 1,000 hours), and correct coolant chemistry can extend service life toward the upper end of this range.
How much does a replacement radiator for construction equipment typically cost?
Replacement radiator prices range from $300 for small equipment like compact loaders to $2,500+ for large excavators or dozers. Aftermarket options from reputable suppliers typically cost 30-50% less than OEM parts while maintaining comparable quality and warranty coverage.
What's the difference between aluminum and copper-brass radiators for construction equipment?
Aluminum radiators are 30-40% lighter, resist corrosion better, and offer excellent heat transfer, making them the choice for 65% of the off-highway market. Copper-brass radiators withstand physical stress better and are easier to field-repair through soldering, but cost more and add significant weight.
Should I choose OEM or aftermarket replacement radiators for my construction equipment?
OEM radiators guarantee exact fit and maintain warranty compliance for newer equipment but cost significantly more. Quality aftermarket radiators offer comparable performance at 30-50% lower prices with solid 1-3 year warranties, making them suitable for most applications unless OEM warranty requirements mandate factory parts.
How long does it take to receive a replacement construction equipment radiator?
Delivery times range from same-day pickup for common models stocked locally to 2-3 weeks for specialized or custom-built radiators. Most suppliers offer expedited shipping including next-day delivery for emergency breakdowns, with top suppliers filling 98% of parts orders within 24 hours.
What warranty should I expect on a construction equipment replacement radiator?
Reputable suppliers typically offer 1-2 year warranties covering manufacturing defects and leaks under normal operating conditions. Premium suppliers extend coverage to 48 months for seal leakage, while some offer lifetime warranties on specific product lines excluding damage from debris, improper installation, or coolant chemistry issues.


