O-Ring 0.116 in C/S x 1.171 in I.D. 2.95 mm C/S x 29.75 mm I.D. Viton (75) Series # 3-916
Cross References:
Caterpillar: 5P7701
- Durable Viton construction
- Direct replacement for OE part 5P7701
- 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: 5P7701
- UPC:
- 193807080907
- Mfr Part Number:
- 321299
- AS568 Standard Size Dash Number:
- 3-916
- Cross Section (inches):
- 0.116
- Cross Section (mm):
- 1.171
- Durometer:
- 75
- Inside Diameter (inches):
- 1.171
- Inside Diameter (mm):
- 29.75
- Material:
- Viton
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.
April 26, 2025 by Randy C. (United States)
“Easy access to ordering parts.”
Company Choice
Great prices.
Product Choice
It fits my f550 flatbed.
April 25, 2025 by Mark W. (United States)
“Fair price”
Company Choice
Rev hd dealer
Product Choice
Good product
April 25, 2025 by George L. (United States)
“great communications and customer service very prompt”
Company Choice
referred by manufacturer
Product Choice
fits my oem application