New 2W5540 Core A Rad - Fold Replacement suitable for Caterpillar Equipment
- New Core A Rad - Fold Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 2W5540 Radiator
â–¶Specification for 2W5540 Radiator
â–¶Exact Fit Guarantee for 2W5540 Radiator
â–¶| Models | 16G, 16H, 16H NA, 3406B, 3408, 3412, 572G, 578, 621E, 621F, 621G, 623E, 623F, 623G, 627E, 627F, 627G, 793C, 814B, 815B, 816B, 966D, D6H, D6H II, D7G, D7H, D8N, G3406 |
|---|---|
| Dimensions | 46.46x5.12x8.66 |
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Very nice job
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100% recommend it is a good parts by par for five years and everything is good
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Have been buying parts from them for years, and they have always delivered, both with parts and customer service.
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Fast response and very attentive! Thanks Deb.
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Great service They respond back very fast always try…
They respond back very fast always try there best to get what I need
Very friendly
Prices are reasonable
If there is a problem they fix it
Been working with them 4 years and hopefully many more
Frequently Asked Questions
What is the 2W5540 cylinder liner used for?
The 2W5540 is a liner/sleeve that creates the running surface for the piston and helps manage heat, making it critical to engine compression and durability.
How do I install the 2W5540 cylinder liner?
Fitting the 2W5540 correctly comes down to clean surfaces and following the manual’s sequence. Work through these steps:
- Shut down, cool, and follow engine service procedures
- Remove the old liner and clean the block bore
- Inspect the bore, counterbore, and seal areas
- Fit the 2W5540 with new seals and the correct protrusion
- Verify protrusion and seating before completing assembly
Which Caterpillar machines is the 2W5540 compatible with?
Compatibility for the 2W5540 cylinder liner varies by machine and configuration, so cross-check it for your Caterpillar equipment before ordering. Or reach out to Propel Parts for help verifying fitment.
Does the 2W5540 cylinder liner meet performance standards?
Yes. The 2W5540 is engineered to meet OEM specifications for material, dimensions, and durability. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so the part performs the way it was designed to.
How often should the 2W5540 be replaced?
The 2W5540 is typically renewed during scheduled service or a related repair. In demanding, high-hour operation, inspect it more often to stay ahead of wear. This part is commonly replaced alongside the 7G9968 Ring Seal, so it is worth checking both while the assembly is open.
What are the signs of a worn or failing 2W5540 cylinder liner?
When the 2W5540 reaches the end of its service life, the symptoms tend to show up first as performance or wear issues. Look for:
- Coolant or oil leaks around the liner
- Loss of compression or blow-by
- Scoring or excessive bore wear
- Cavitation pitting on the liner wall
Why is the 2W5540 cylinder liner important, and what related part is commonly replaced with it?
Replacing the 2W5540 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. The 0546561 Ring is commonly serviced together with this part, so it is worth replacing both while access is available.
This 2W5540 Radiator is compatible with the following models:
16G, 16H, 16H NA, 3406B, 3408, 3412, 572G, 578, 621E, 621F, 621G, 623E, 623F, 623G, 627E, 627F, 627G, 793C, 814B, 815B, 816B, 966D, D6H, D6H II, D7G, D7H, D8N, G3406 & more...

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We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.
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Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.

Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.
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