Images are for reference only. The supplied part’s appearance may differ.
Engine Oil Filter
oil filterPart number: 1R-1808
Caterpillar 1R-1808 is an Advanced Efficiency spin-on engine oil filter designed to capture particles in the engine lubrication system. Confirm the correct filter for your machine or engine using its model and serial number before ordering.
Looking for Caterpillar 1R-1808? This catalogue reference is listed under oil filter. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
Availability on request
Technical specifications
| Manufacturer | Caterpillar |
|---|---|
| Part number | 1R-1808 |
| Category | Filters & filtration |
| Reference status | Catalogue reference; specifications and fitment subject to confirmation |
| Availability | On request |
| Filter type | Spin-on engine oil filter |
| Efficiency category | Advanced Efficiency |
| Outside diameter | Approximately 136 mm |
| Length | Approximately 307–308 mm |
| Thread size | 1 1/2-16 |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
Product questions
What are the dimensions and thread of the Cat 1R-1808 oil filter?
Published dimensions are approximately 136 mm in outside diameter and 307–308 mm in length. The thread is 1 1/2-16. Check the mounting requirements and available clearance before ordering.
What type of filter is the Caterpillar 1R-1808?
The 1R-1808 is an Advanced Efficiency spin-on engine oil filter. It is intended to capture particles in the engine lubrication system; it is not a fuel filter.
How can I check whether the 1R-1808 fits my equipment?
Provide the machine model and serial number, or the engine model and serial number, for a fitment check. Similar-looking filters and matching dimensions alone do not establish compatibility with a particular configuration.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.