8M5260 Silicone O-Ring fit Caterpillar
8M5260 Silicone O-Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
8M5260 Silicone O-Ring for Caterpillar Equipment
8M5260 is a standard silicone rubber O-ring used in Caterpillar engine and machine applications. It is listed for Caterpillar 3208, 3304, 3306, 3406B, 3408, 3408C, 3408E, 3412, 3412E and 3508 engines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The seal is identified by SKU 8M5260 and may also be written with a hyphen as 8M-5260. The part data specifies a 70 Shore A hardness, a nominal operating temperature range from -50°F to 300°F, and an SAE AS568 dash size of -114.
Fitment
- Caterpillar 3208 engine
- Caterpillar 3304 engine
- Caterpillar 3306 engine
- Caterpillar 3406B engine
- Caterpillar 3408 engine
- Caterpillar 3408C engine
- Caterpillar 3408E engine
- Caterpillar 3412 engine
- Caterpillar 3412E engine
- Caterpillar 3508 engine
Cross-reference numbers
| SKU | 8M5260 |
| Hyphenated part number | 8M-5260 |
| SAE AS568 dash size | -114 |
Specifications
| Part type | Standard O-ring seal |
| Equipment manufacturer | Caterpillar |
| Equipment category | Engine and machine applications |
| Seal material | Silicone rubber |
| Hardness | 70 Shore A |
| Temperature range | -50°F to 300°F |
| SAE AS568 size | -114 |
| Size designation | 114 |
| Cross-section diameter | 0.1 in |
| Inner diameter | 0.61 in |
| Outer diameter | 0.818 in |
| Coating | None |
| Color listed in product data | Yellow |
| Listed product dimensions | 2 × 2 × 0.3 cm |
| Listed product weight | 0.1 lb |
Before installation, the part number, O-ring size and dimensions should be compared with the seal removed from the Caterpillar equipment. The listed inner diameter, outer diameter and cross-section values describe the O-ring dimensions; the separate 2 × 2 × 0.3 cm entry is the listed product dimension data.






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