O-Ring, 0.275 in C/S x 3.188 In I.D. 6.99 mm C/S x 81 mm I.D. Silicone (70) Yellow
Cross References:
Caterpillar: 2S4134, Caterpillar: 3K3611, Caterpillar: 4L8337, Caterpillar: 4M5434, Caterpillar: 6L8167, CAP321211
- Durable silicone construction
- Direct replacement for OE part 4L8337
- Multiple Engine Applications
- Genuine PAI product including a factory 2-Year Warranty
- Quality You Can Trust - PAI has established themselves as the leading supplier of aftermarket heavy duty diesel parts, with quality standards that always meet or exceed OE standards
Features
- DETAIL - PAI O-rings are carefully designed and feature unparalleled low tolerances. O-ring specifications are measured in a 3D environment and tested to ensure the 100% functionality.
- STRENGTH - PAI O-rings are made of industry leading materials and processes. Hardness ratings will vary between O-rings, but all PAI O-rings are tested to ensure product integrity, fitment, and longevity.
- VARIETY - PAI is a market leader of heavy-duty diesel truck parts, and our O-rings are no exception. Our O-rings come in various materials including but not limited to Viton (Fluorocarbon), PTFE, Nitrile, Neoprene, and EPDM Rubber.
Cross References:
Caterpillar: 2S4134, Caterpillar: 3K3611, Caterpillar: 4L8337, Caterpillar: 4M5434, Caterpillar: 6L8167, CAP321211
- UPC:
- 193807079864
- Mfr Part Number:
- 321211
- Color/Finish:
- Yellow
- Cross Section (inches):
- 0.275
- Cross Section (mm):
- 6.99
- Durometer:
- 70
- Inside Diameter (inches):
- 3.188
- Inside Diameter (mm):
- 81
- Material:
- Silicone
We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.
4.8
Out of 5.0
Overall Rating
97%
of customers that buyfrom this merchant give
them a 4 or 5-Star rating.
March 1, 2025 by Patrick R. (United States)
“Searching for parts I can't find at the usual local parts store worked great. Good prices and shipping times.”
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Google search for a yoke sleave popped up your company.
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Availability and shipping / arrival time.
February 27, 2025 by Michael N. (United States)
“a rare part”
February 27, 2025 by Roy M. (United States)
“Thank you Troy you know your stuff.”
