In stock
SKU: 3678472
3678472 O-ring fit Caterpillar
In stock
SKU: 3678472
3678472 O-ring fit Caterpillar
Weight(lbs): 0.2
Length(cm): 25
Width(cm): 25
Depth(cm): 1
Length(cm): 25
Width(cm): 25
Depth(cm): 1
$34.00
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3678472 O-ring for Caterpillar Equipment
3678472 is an O-ring used in Caterpillar excavators. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The seal is specified for use in hydraulic, power steering, air-conditioning and cylinder liner sealing applications on the listed Caterpillar excavator models. The supplied part data identifies the O-ring by the number 367-8472.
Fitment
- Caterpillar 365C excavator
- Caterpillar 374 excavator
- Caterpillar 374D L excavator
- Caterpillar 374F excavator
- Caterpillar 374F L excavator
- Caterpillar 385B excavator
- Caterpillar 385C excavator
- Caterpillar 385C L excavator
- Caterpillar 390D excavator
- Caterpillar 390D L excavator
- Caterpillar 390F excavator
- Caterpillar 390F L excavator
- Caterpillar 395 excavator
- Caterpillar 330 excavator
Cross-reference numbers
| Part number | 3678472 |
| Alternative number format | 367-8472 |
Specifications
| Part type | O-ring |
| Equipment brand | Caterpillar |
| Equipment type | Excavator |
| Material | Hydrogenated Acrylonitrile Butadiene Rubber (HNBR), material code 78 |
| Cross-section diameter | 0.39 in |
| Inner diameter | 9.06 in |
| Coating | None |
| Operating temperature range | -40 °F to 275 °F |
| Weight | 0.2 lb |
| Listed length | 25 cm |
| Listed width | 25 cm |
| Listed depth | 1 cm |
Application and material compatibility
The O-ring is specified for automotive air-conditioning seals, flexible high-temperature bellows seals, high-temperature power steering seals, high-temperature hydraulic seals and middle cylinder liner seals.
- Suitable media listed for the HNBR material include diesel fuel, ester lubricants, ozone, petroleum oils, lubricants, HFC-134a refrigerant, silicone fluids, steam, water-based engine coolants, air, engine oil, hydraulic oil and automatic transmission oil.
- The material is listed as compatible with abrasion exposure and resistant to cutting.
- Some HNBR compositions may be used with coolant or urea.
- The supplied material data states that the material cannot be used with diesel biofuels.
Dimensions and material descriptions are provided for reference. The colour may differ from the product image.



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