Shopping for View parts →

Piston for Caterpillar 1684531

SKU: H1684531K
tag Brand: Reliance Reliance brand replacement parts
sparkles Condition: New Aftermarket
shuffle Cross-References: 168-4531, 1684531, H1684531K
tractor Fits Equipment
Caterpillar D4E (27X S/N Prefix) Caterpillar D4E (28X S/N Prefix) Caterpillar D4E (29X S/N Prefix) Caterpillar D4H (4NK S/N Prefix)
engine Fits Engines
Caterpillar 3304 | 09Z ESN Prefix Caterpillar 3304B | 1BZ ESN Prefix Caterpillar 3306 | 1JS ESN Prefix
$8059
award-simple Best Price Promise!
box-check In Stock (8)
Qty:
1
The RF Engine Advantage
Family Operated Since 1975
Parts that meet or exceed OEM specifications. Guaranteed performance you can trust. Reliability built into every component.
A century of collective diesel knowledge and 10+ acres of engines and engine parts — we are more than just an online reseller or call center. We know heavy-duty diesel.
Same location and same phone number for the last 50 years. Same commitment to getting you the right parts at the right price.
RF Engine offers an expansive offering of new aftermarket, remanufactured, and used engines and engine parts all under one roof.

memo-circle-info Details

Piston, pin, retainers; DI, dual-ni, 16:1 CR, 1.700" pin, taper rod (key comp rings) (replaces 1568262, 9Y8217)


medal Our aftermarket replacement parts are built to OEM-equivalent standards. They have been produced to meet or exceed original equipment specifications for material quality, dimensional tolerance, and field durability — the same rigors the factory part is designed to handle. The result is a component that installs like factory, performs like factory, and delivers long service life without the dealer price tag.

tractor Fitment Guide

bulldozer Crawler Dozers (39)
Caterpillar D4E (27X S/N Prefix)
Caterpillar D4E (28X S/N Prefix)
Caterpillar D4E (29X S/N Prefix)
Caterpillar D4H (4NK S/N Prefix)
Caterpillar D4H (7PK S/N Prefix)
Caterpillar D5B (22X S/N Prefix)
Caterpillar D5B (24X S/N Prefix)
Caterpillar D5B (25X S/N Prefix)
Caterpillar D5B (26X S/N Prefix)
Caterpillar D5H (7EG S/N Prefix)
Caterpillar D6D (3X S/N Prefix)
Caterpillar D6D (4X S/N Prefix)
Caterpillar D6D (5X S/N Prefix)
Caterpillar D6D (6X S/N Prefix)
Caterpillar D6H (3YG S/N Prefix)
Caterpillar D6H (3ZF S/N Prefix)
Caterpillar D6H (4RC S/N Prefix)
Caterpillar D6H (5KK S/N Prefix)
Caterpillar D6H (6CK S/N Prefix)
Caterpillar D6H (6FC S/N Prefix)
Caterpillar D6H (8KB S/N Prefix)
Caterpillar D6H (8ZJ S/N Prefix)
Caterpillar D6H (9KJ S/N Prefix)
Caterpillar D6R (2YN S/N Prefix)
Caterpillar D6R (3ZN S/N Prefix)
Caterpillar D6R (4MN S/N Prefix)
Caterpillar D6R (5LN S/N Prefix)
Caterpillar D6R (7KN S/N Prefix)
Caterpillar D6R (9PN S/N Prefix)
Caterpillar D7G (72W S/N Prefix)
Caterpillar D7G (91V S/N Prefix)
Caterpillar D7G (92V S/N Prefix)
Caterpillar D7H (4FG S/N Prefix)
Caterpillar D7H (5BF S/N Prefix)
Caterpillar D7H (77Z S/N Prefix)
Caterpillar D7H (79Z S/N Prefix)
Caterpillar D7H (80Z S/N Prefix)
Caterpillar D7R (3DN S/N Prefix)
Caterpillar D7R (9HM S/N Prefix)
bulldozer Crawler Tractors (5)
Caterpillar 65 (7YC S/N Prefix)
Caterpillar 65B (7YC S/N Prefix)
Caterpillar 65C (2ZJ S/N Prefix)
Caterpillar 65D (2ZJ S/N Prefix)
Caterpillar 70C (2YL S/N Prefix)
excavator Excavators (20)
Caterpillar 235 (1FD S/N Prefix)
Caterpillar 235 (32K S/N Prefix)
Caterpillar 235 (62X S/N Prefix)
Caterpillar 235 (7WC S/N Prefix)
Caterpillar 235 (81X S/N Prefix)
Caterpillar 235C (5AF S/N Prefix)
Caterpillar 235D (8KJ S/N Prefix)
Caterpillar 330 (2ZM S/N Prefix)
Caterpillar 330 (5YM S/N Prefix)
Caterpillar 330 (8FK S/N Prefix)
Caterpillar 330 (9WJ S/N Prefix)
Caterpillar 330B (1JS S/N Prefix)
Caterpillar 330L (2ZM S/N Prefix)
Caterpillar 330L (5YM S/N Prefix)
Caterpillar 330L (8FK S/N Prefix)
Caterpillar 330L (9WJ S/N Prefix)
Caterpillar 350 (2ZL S/N Prefix)
Caterpillar 350 (3ML S/N Prefix)
Caterpillar 350L (2ZL S/N Prefix)
Caterpillar 350L (3ML S/N Prefix)
road Motor Graders (22)
Caterpillar 120G (87V S/N Prefix)
Caterpillar 12G (61M S/N Prefix)
Caterpillar 12H (2LR S/N Prefix)
Caterpillar 12H (4XM S/N Prefix)
Caterpillar 12H (5ZM S/N Prefix)
Caterpillar 12H (8ZM S/N Prefix)
Caterpillar 130G (74V S/N Prefix)
Caterpillar 140G (13W S/N Prefix)
Caterpillar 140G (72V S/N Prefix)
Caterpillar 140G (81V S/N Prefix)
Caterpillar 140H (2ZK S/N Prefix)
Caterpillar 140H (8JM S/N Prefix)
Caterpillar 140H (8KM S/N Prefix)
Caterpillar 143H (1AL S/N Prefix)
Caterpillar 14G (96U S/N Prefix)
Caterpillar 14H (2LR S/N Prefix)
Caterpillar 14H (7WJ S/N Prefix)
Caterpillar 160G (4JD S/N Prefix)
Caterpillar 160H (6WM S/N Prefix)
Caterpillar 160H (9EJ S/N Prefix)
Caterpillar 160H (9JM S/N Prefix)
Caterpillar 163H (5AK S/N Prefix)
bulldozer Pipelayers (2)
Caterpillar 561D (54X S/N Prefix)
Caterpillar 572G (40U S/N Prefix)
road Scrapers (18)
Caterpillar 615C (5TF S/N Prefix)
Caterpillar 615C (9XG S/N Prefix)
Caterpillar 627B (14S S/N Prefix)
Caterpillar 627B (15S S/N Prefix)
Caterpillar 627B (38V S/N Prefix)
Caterpillar 627E (6EB S/N Prefix)
Caterpillar 627E (6GB S/N Prefix)
Caterpillar 627E (7CG S/N Prefix)
Caterpillar 627F (1DL S/N Prefix)
Caterpillar 637D (20W S/N Prefix)
Caterpillar 637D (21W S/N Prefix)
Caterpillar 637D (22W S/N Prefix)
Caterpillar 637D (23W S/N Prefix)
Caterpillar 637D (4JB S/N Prefix)
Caterpillar 637E (1HB S/N Prefix)
Caterpillar 637E (1LB S/N Prefix)
Caterpillar 637E (7CB S/N Prefix)
Caterpillar 639D (88X S/N Prefix)
bulldozer Skidders (1)
Caterpillar 528B (8SJ S/N Prefix)
bulldozer Wheel Dozers (6)
Caterpillar 814B (16Z S/N Prefix)
Caterpillar 814F (9DM S/N Prefix)
Caterpillar 815B (17Z S/N Prefix)
Caterpillar 815F (1GN S/N Prefix)
Caterpillar 816B (15Z S/N Prefix)
Caterpillar 816F (5FN S/N Prefix)
bulldozer Wheel Loaders (23)
Caterpillar 515 (4LR S/N Prefix)
Caterpillar 517 (5WW S/N Prefix)
Caterpillar 517 (6PW S/N Prefix)
Caterpillar 525 (1DN S/N Prefix)
Caterpillar 527 (2RS S/N Prefix)
Caterpillar 527 (3DS S/N Prefix)
Caterpillar 527 (4NS S/N Prefix)
Caterpillar 527 (BDW S/N Prefix)
Caterpillar 528 (51S S/N Prefix)
Caterpillar 528 (97C S/N Prefix)
Caterpillar 936F (8AJ S/N Prefix)
Caterpillar 950B (22Z S/N Prefix)
Caterpillar 950B (31R S/N Prefix)
Caterpillar 950E (22Z S/N Prefix)
Caterpillar 963 (11Z S/N Prefix)
Caterpillar 963 (6Z S/N Prefix)
Caterpillar 966D (99Y S/N Prefix)
Caterpillar 966E (99Y S/N Prefix)
Caterpillar 966F (1SL S/N Prefix)
Caterpillar 966F (4YG S/N Prefix)
Caterpillar 970F (7SK S/N Prefix)
Caterpillar 973 (26Z S/N Prefix)
Caterpillar 973 (32Z S/N Prefix)
engine Engines (6)
Caterpillar 3304 | 09Z ESN Prefix 4-cyl • Diesel
Caterpillar 3304B | 1BZ ESN Prefix 4-cyl • Diesel
Caterpillar 3306 | 1JS ESN Prefix 6-cyl • Diesel
Caterpillar 3306 | 63Z ESN Prefix 6-cyl • Diesel
Caterpillar 3304 | 7Z ESN Prefix 4-cyl • Diesel
Caterpillar 3306 | 8Z ESN Prefix 6-cyl • Diesel
exclamation While every effort has been made to ensure the accuracy of the fitment information listed above, it is ultimately the responsibility of the installing mechanic to perform a side-by-side comparison of the replacement part with the original to verify proper fit before installation. RF Engine is not liable for labor or consequential damages resulting from incorrect application.

shield-check Warranty Information

Reliance Power Parts Warranty Policy

The Reliance Power Parts (RPP) warranty policy covers parts and labor necessary to repair a warrantable failure to the functional condition of the application that existed immediately prior to the failure, as detailed below. This warranty applies to direct customers of RPP only and is non-transferable.


Coverage Periods

  • New Internal Engine Parts (Ag/Industrial): 1 year from invoice date, unlimited miles/hours
  • Engine Overhaul Kits (Heavy-Duty On-Highway): 2 years from invoice date, unlimited miles/hours
  • New Engine Accessories: 1 year from invoice date, parts replacement only
  • Remanufactured Engine Accessories: 6 months from invoice date, parts replacement only
  • Remanufactured Engine & Drivetrain Parts: 6 months from invoice date, parts replacement only
  • Drivetrain Parts: 1 year from invoice date, parts replacement only
  • Complete Engines, New Long Blocks & New Short Blocks (Reliance Manufactured): 6 months from invoice date, parts replacement only
  • Remanufactured Long Blocks & Short Blocks (Reliance Manufactured): 90 days from invoice date, parts replacement only

Engine accessories include turbochargers, fuel injectors, hydraulic pumps, engine oil pumps, oil coolers, water pumps, and electrical components.


Manufacturer's Warranty Items

To serve a wider application base, RPP offers lower volume, rare application, and remanufactured parts from a variety of manufacturers. These parts will be noted on your invoice as subject to a "Manufacturer's Warranty" policy and are not covered under this policy. Engines, long blocks, medium blocks, and short blocks produced by any company other than Reliance are solely covered by the manufacturer's warranty. Contact your Reliance representative for details.


Parts & Labor Coverage

  • Parts: Covered at current customer pricing using new or remanufactured RPP approved parts
  • OEM/Outside Parts: When RPP parts are available, OEM parts will be credited at RPP pricing. Parts not available from RPP will be covered at billed rate with invoice required
  • Labor: Offered at RPP's discretion, not to exceed published flat-rate times and maximum regional wholesale hourly labor rate
  • Holiday/Overtime Rates: Not covered

What's Not Covered

This warranty does not cover failures resulting from:

  • Owner or operator abuse or neglect
  • Operation without adequate coolant, fuel, or lubricants
  • Over-fueling or over-speeding
  • Lack of maintenance of lubricating, coolant, or air intake systems
  • Improper storage, starting, warm-up, run-in, or shut-down practices

Coverage does not include:

  • Troubleshooting or diagnostic time
  • Towing, transport, or down-time
  • Rental fees or incidentals
  • Delivery charges, travel, meals, or lodging
  • Business losses, docking, or harbor charges

Responsibilities

  • Installer: Ensure parts are correct for the application and install according to OEM procedures, specifications, and accepted industry standards
  • Owner: Operate and maintain equipment as specified in OEM operation and maintenance manuals

How to File a Claim

  • RPP must be notified prior to the end of the warranty period
  • All warranty repairs must be authorized by RPP technical staff
  • Request a Warranty Claim Form for the return of parts
  • Return all claimed parts to the indicated location within 30 days of receiving a Return Merchandise Authorization
  • Include failed parts, completed Warranty Claim Form, and copies of related work orders or invoices
  • Ship parts freight pre-paid in a condition that makes examination possible
  • Parts received without a Warranty Claim Form will be returned freight collect

Important Notes

  • Professional Installation Required: We strongly recommend installation by a qualified technician to ensure proper break-in and operation
  • Keep Your Records: Retain your invoice and service records for warranty claims
  • Questions?: If you're unsure about coverage or need assistance, please contact us

The warranties set forth herein are the sole warranties made by RPP regarding its parts. RPP makes no other warranties, expressed or implied, of merchantability or fitness for a particular purpose.

Related products could not be loaded.

tractor Check fit for this part

Select your make and model below to verify whether this part fits your application.

Loading manufacturers...
No exact match — closest matches:
No matching engines or equipment found.
OR BROWSE
OR
Fitment results are based on our application database. Always verify by side-by-side comparison before installation. Questions? Call 800-828-6943.

hourglass-clock Recently Viewed

award-simple Our Best Price Promise
Added to your wish list Removed from your wish list