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Aftermarket parts may appear slightly different, including the packaging.
4133L508 Thermostat Assembly For Perkins 1103 Diesel Engines
$64.02 USD$71.13 USDSAVE 10%
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Keep your Perkins diesel engine running with this thermostat assembly (DDP-4133L508) — OEM part number 4133L508. It fits Perkins 1103, 1104 engines.
Delta Diesel Parts is a U.S.-based supplier of Perkins diesel engine parts, with most in-stock orders shipping the same day and knowledgeable support staff to help you when it's needed.
Cross Reference: 2485C041
| Part Number | DDP4133L508 |
| OEM Number | 4133L508 |
| Part Type | Thermostats |
| Specification | The 4133L508 thermostat assembly regulates the engine's temperature by controlling the flow of coolant. This thermostat assembly is typically installed on the left-hand side of the engine. |
| OEM Brand | Perkins |
| Compatible Models | 1103, 1104 |
Sale price
$64.02 USD
Regular price
$71.13
Unit price
Unavailable
Feb 12, 2026
Great service provided.
Order was received prior to expected date. Really appreciate the urgency given.
Jan 28, 2026
Exceeded Expectations!
Even though my parts were not in stock, they were ordered and delivered ahead of expected time. Will order from them again.
Jan 5, 2026
Excellent, friendly service.
This is my new go to business for Yanmar parts. I highly recommend it.
