PDI CAT Oil Coolers — High Efficiency Cooling

PDI CAT Oil Coolers from Radiator Supply House deliver high-efficiency thermal management for Caterpillar and compatible heavy equipment. With 1,400+ SKUs covering excavators, dozers, wheel loaders, and industrial machinery, these oil coolers serve construction, mining, agriculture, and oil and gas applications across the USA.

Our Range of Products

Oil Coolers Collection — incl. Engine & Transmission Oil Cooler Lines

1,466+ oil cooler SKUs in catalog
Fits CAT, Komatsu, Deere & more
Covers construction, ag & oil & gas

Caterpillar Cooling Components Collection

1,200+ Caterpillar-compatible SKUs
Radiators, oil coolers & full packages
Fits mining, construction & Gen-Sets

Radiator Supply House - Machinery Cooling Components Collection

4,885+ multi-brand cooling components
CAT, Deere, Komatsu & 15+ brands
Complete packages to individual cores

Frequently Asked Questions

What Caterpillar equipment models are compatible with PDI CAT oil coolers?

PDI CAT oil coolers are compatible with a broad range of Caterpillar machinery including excavators, wheel loaders, dozers, motor graders, skid steers, compactors, and generator sets. Specific models include the CAT 953C, D7G, D4, 910, 950E, 3512, 3516, 785, 304CR, and many more. Contact our team with your model number for exact fitment confirmation.

Are these oil coolers OEM replacements or aftermarket parts?

What types of oil coolers are available for CAT equipment?

How do I find pricing and availability for PDI CAT oil coolers?

Can I order a custom or universal oil cooler for my CAT equipment?

Which industries do PDI CAT oil coolers serve?

What is the shipping and return policy for CAT oil coolers?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Construction & Mining

Hydraulic and engine oil cooling for excavators, dozers, wheel loaders, and drilling equipment on demanding job sites.

Agriculture & Forestry

Engine and transmission oil cooler replacements for combines, tractors, and forestry logging machinery in field operations.

Oil & Gas Operations

Heavy-duty oil coolers for frac pumps, drilling rigs, and compressor equipment used in upstream oil and gas operations.

Industrial & Material Handling

Oil cooler solutions for forklifts, skid steers, telehandlers, air compressors, and industrial generator sets in facility operations.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Caterpillar 3406B Oil Cooler

Caterpillar 3406B Oil Coolers are precision-engineered replacement cooling components designed to maintain optimal engine oil temperatures in heavy-duty CAT equipment. Sourced from an extensive catalog of 1,400+ oil cooler SKUs, these parts serve construction, mining, and industrial applications with OEM-equivalent quality.

Why Construction & Mining Operators Choose Radiator Supply House

1,400+ CAT Oil Cooler SKUs In Stock

Access one of the largest catalogs of Caterpillar-compatible oil coolers, covering excavators, dozers, wheel loaders, and specialty equipment.

Multi-Brand Cross-Industry Coverage

Beyond CAT, our inventory spans Komatsu, John Deere, Hitachi, Volvo, and 300+ manufacturers for construction, agriculture, and oil & gas.

Complete Cooling System Solutions

From individual oil cooler cores to full cooling packages, Radiator Supply House provides every thermal management component your fleet needs.

Get Expert Help Finding Your CAT Oil Cooler

Submit your equipment model and our cooling specialists will confirm fitment, pricing, and availability — typically within one business day.

For immediate assistance, feel free to give us a direct call at +1 877-615-3002.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +1 877-615-3002.