Monotherm Piston Caterpillar C15 application 18 to 1 compression ratio.
Cross References:
Caterpillar: 2326557, Caterpillar: 2485514, Caterpillar: 2848983, Caterpillar: 3067460, Caterpillar: 3259492, Caterpillar: 3564787, Caterpillar: 10R3304, Caterpillar: 10R6215, Caterpillar: 10R9923, Caterpillar: 20R0744, Dana: 224-3641, Caterpillar: 232-6557, Caterpillar: 248-5514, Caterpillar: 284-8983, Caterpillar: 306-7460, Caterpillar: 325-9492, Caterpillar: 356-4787, CAP311107
- Durable construction
- Direct replacement for OE part 3564787
- Caterpillar C15 Engine Application
- 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 pistons are carefullly designed and feature cutting edge precision. Piston specifications are measured in a 3D environment. Finished products are dyno and road tested to ensure the 100% functionality and performance.
- STRENGTH - PAI pistons are made of industry leading materials and processes. Our pistons and piston components are rigorously tested in heavy duty diesel engines and high stress work environments to certify proper and continuous operation over long periods of time.
- VARIETY - PAI is a market leader of heavy-duty diesel truck parts, and our pistons and piston components are no exception. We have been manufacturing and expanding our product offerings since 1973. If there is a part you need, and we do not have it, there is a good chance we are working diligently to make it.
Cross References:
Caterpillar: 2326557, Caterpillar: 2485514, Caterpillar: 2848983, Caterpillar: 3067460, Caterpillar: 3259492, Caterpillar: 3564787, Caterpillar: 10R3304, Caterpillar: 10R6215, Caterpillar: 10R9923, Caterpillar: 20R0744, Dana: 224-3641, Caterpillar: 232-6557, Caterpillar: 248-5514, Caterpillar: 284-8983, Caterpillar: 306-7460, Caterpillar: 325-9492, Caterpillar: 356-4787, CAP311107
- UPC:
- 193807042752
- Mfr Part Number:
- 311107
- Bore (inches):
- 5.4
- Bore (mm):
- 137.16
- Compression Ratio:
- 18:1
- Height (inches):
- 4.8
- Height (mm):
- 121.92
- Oversized:
- No
- Pin Bore (inches):
- 2.359
- Pin Bore (mm):
- 59.92
- Ring Grooves:
- 3
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 10, 2025 by Alex (United States)
“I've ordered from Drivetrain America numerous times in the last few months to get floor mats for all of my trucks. Check out is easy and shipping is fast.”
Company Choice
They have what I need, when I need it.
Product Choice
The mats are easy to put in and take out to keep the cabs/floorboards of my trucks clean. Minimal effort is needed to install with no trimming and quality/durability of the mats are 10/10. All of our trucks have Minimizer floor mats in them.
April 10, 2025 by Trevor C. (United States)
“Good quality glad I purchased it stopped my leaking transmission as well as vibration. 1991 Ford ranger 2.3 2wd manual you will need ujoint for 4x4”
Company Choice
Great communication from parts department
Product Choice
Looked better then anywhere else
April 9, 2025 by Sam D. (United States)
“verry good”