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New 7N9803 Pin, Piston Replacement suitable for Caterpillar Equipment
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Description for 7N9803 Pin
â–¶Specification for 7N9803 Pin
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Customer Reviews
Above and Beyond
Staff took care of issue that was nit created by them. Package was lost by UPS. Propel sent me another part Next Day Air to correct it.
Received 15 items within 5 days from placing order !
Great. !
I would give 5 stars but my first time ordering from here and using aftermarket parts. The price is reasonable comparing to original Cat parts and the customer support is great and hoping to do more business with them
Great service affordable parts
Stevens the man. Placed my order and sent him the order # and had me in the loop within an hour.
Original Review (Portuguese)
Muito bom atendimento
Ótima empresa
English Translation
Very good service.
Excellent company.
He was a great help with ordering and refunding the sales tax,
Buen servicio y atención
BEST for Heavy Equipment Parts.
Awesome quality products! Better customer service! Steven is always a pleasure to work with and very prompt in assisting me - thank you!
Have been buying parts from them for years, and they have always delivered, both with parts and customer service.
Product Questions
Frequently Asked Questions
What is the Caterpillar 7N9803 piston pin used for?
The 7N9803 piston pin is designed to connect the piston to the connecting rod in Caterpillar engine assemblies, helping support smooth piston movement and reliable engine operation.
What are the benefits of using a high-quality piston pin?
- Helps maintain proper piston alignment
- Supports smooth engine movement and combustion efficiency
- Reduces excessive wear between moving engine components
What are common signs that a piston pin should be replaced?
Signs may include engine knocking noise, excessive vibration, uneven wear, reduced engine performance, or abnormal movement inside the piston assembly.
Why is piston pin condition important in diesel engines?
A properly functioning piston pin helps maintain stable piston movement, improves engine reliability, and reduces stress on surrounding internal components.
Is the 7N9803 piston pin compatible with multiple Caterpillar engines?
Compatibility depends on the engine arrangement and serial number. Check your manual or reach out to Propel Parts for help verifying fitment.
Are aftermarket piston pins dependable?
Yes. High-quality aftermarket piston pins that meet or exceed OEM specifications provide reliable durability and performance in demanding engine applications.
Are related piston components commonly replaced together?
Yes, products such as the Caterpillar 1646556PK piston kit are commonly replaced alongside piston pins during engine rebuilds and maintenance.
Compatible Models
This 7N9803 Pin is compatible with the following models:
1140, 1145, 1150, 3204, 3208Â & more...
Shipping | Returns
Shipping
We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.
We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.
Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.
Easy Returns
Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.
Warranty
Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.
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