Fuel Injector for Caterpillar 1662903

Name: Fuel Injector for Caterpillar 1662903
Brand: Reliance
SKU: H1662903
Price: 1.48 USD
Availability: InStock

SKU: H1662903

Brand: Reliance Reliance brand replacement parts

Condition: New Aftermarket

Cross-References: 166-2903, 1662903, 240-1006RT, 2401006RT, 321268, CAP321268, FP-1662903, FP1662903, H1662903, M-1662903, M1662903

Fits Equipment

Caterpillar 735 (B1N S/N Prefix) Caterpillar 735B (T4P S/N Prefix) Caterpillar 740 (B1P S/N Prefix) Caterpillar 740 (B1R S/N Prefix)

Fits Engines

Caterpillar 3304 | 1PS ESN Prefix Caterpillar 3508B | 2GR ESN Prefix Caterpillar 3456 | 7RC ESN Prefix

^$1⁴⁸

Best Price Promise!

Low Stock — only 5 left

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.

Details

Fuel Injector Tube O-Ring

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.

Fitment Guide

Articulated Dump Trucks (16)

Caterpillar 735 (B1N S/N Prefix)

Caterpillar 735B (T4P S/N Prefix)

Caterpillar 740 (B1P S/N Prefix)

Caterpillar 740 (B1R S/N Prefix)

Caterpillar 770 (BZZ S/N Prefix)

Caterpillar 770G (ECX S/N Prefix)

Caterpillar 770G (TWA S/N Prefix)

Caterpillar 772 (RLB S/N Prefix)

Caterpillar 773F (EED S/N Prefix)

Caterpillar 775F (DLS S/N Prefix)

Caterpillar 776D (AFS S/N Prefix)

Caterpillar 777D (3PR S/N Prefix)

Caterpillar 777D (AGC S/N Prefix)

Caterpillar 777D (FKR S/N Prefix)

Caterpillar 785D (DMC S/N Prefix)

Caterpillar 785D (MSY S/N Prefix)

Cold Planers (1)

Caterpillar PM201 (PNM S/N Prefix)

Crawler Dozers (9)

Caterpillar D10N (2YD S/N Prefix)

Caterpillar D10N (3SK S/N Prefix)

Caterpillar D10R (3KR S/N Prefix)

Caterpillar D10T (RJG S/N Prefix)

Caterpillar D11R (7PZ S/N Prefix)

Caterpillar D11R (9XR S/N Prefix)

Caterpillar D11R (AAF S/N Prefix)

Caterpillar D8T (J8B S/N Prefix)

Caterpillar D8T (KPZ S/N Prefix)

Crawler Tractors (7)

Caterpillar MT835 (BAM S/N Prefix)

Caterpillar MT845 (BBP S/N Prefix)

Caterpillar MT865 (BDS S/N Prefix)

Caterpillar MTC835 (816 S/N Prefix)

Caterpillar MTC845 (817 S/N Prefix)

Caterpillar MTC855 (818 S/N Prefix)

Caterpillar MTC865 (819 S/N Prefix)

Excavators (18)

Caterpillar 365C (ELC S/N Prefix)

Caterpillar 365C (FEN S/N Prefix)

Caterpillar 365C (GSZ S/N Prefix)

Caterpillar 365C (GWC S/N Prefix)

Caterpillar 365C (MCS S/N Prefix)

Caterpillar 365C (MCY S/N Prefix)

Caterpillar 365C (MEM S/N Prefix)

Caterpillar 365C (PAR S/N Prefix)

Caterpillar 385C (EAM S/N Prefix)

Caterpillar 385C (EDA S/N Prefix)

Caterpillar 385C (GLT S/N Prefix)

Caterpillar 385C (KGB S/N Prefix)

Caterpillar 385C (KKK S/N Prefix)

Caterpillar 385C (MMA S/N Prefix)

Caterpillar 385C (MNZ S/N Prefix)

Caterpillar 385C (T2E S/N Prefix)

Caterpillar 385C (T2F S/N Prefix)

Caterpillar 385C (WAW S/N Prefix)

Pipelayers (2)

Caterpillar 583T (CMX S/N Prefix)

Caterpillar 587T (FAT S/N Prefix)

Road Reclaimers (1)

Caterpillar RM500 (ASW S/N Prefix)

Scrapers (11)

Caterpillar 621G (DBB S/N Prefix)

Caterpillar 623G (DBC S/N Prefix)

Caterpillar 627G (DBD S/N Prefix)

Caterpillar 631G (DFA S/N Prefix)

Caterpillar 637G (DFJ S/N Prefix)

Caterpillar 657G (A4G S/N Prefix)

Caterpillar 657G (GER S/N Prefix)

Caterpillar 657G (W1B S/N Prefix)

Caterpillar 657G (W1C S/N Prefix)

Caterpillar 657G (W1E S/N Prefix)

Caterpillar 657G (W1F S/N Prefix)

Wheel Dozers (12)

Caterpillar 824H (ASX S/N Prefix)

Caterpillar 825H (AZW S/N Prefix)

Caterpillar 826H (AWF S/N Prefix)

Caterpillar 834G (6GZ S/N Prefix)

Caterpillar 834G (BPC S/N Prefix)

Caterpillar 836G (7MZ S/N Prefix)

Caterpillar 836G (BRL S/N Prefix)

Caterpillar 844H (BTW S/N Prefix)

Caterpillar 854G (1JW S/N Prefix)

Caterpillar 854G (A4W S/N Prefix)

Caterpillar 854G (AMP S/N Prefix)

Caterpillar 854K (H8M S/N Prefix)

Wheel Loaders (10)

Caterpillar 980G (AWH S/N Prefix)

Caterpillar 980H (JMS S/N Prefix)

Caterpillar 980H (MHG S/N Prefix)

Caterpillar 988G (2TW S/N Prefix)

Caterpillar 988G (BNH S/N Prefix)

Caterpillar 990H (BWX S/N Prefix)

Caterpillar 992G (7HR S/N Prefix)

Caterpillar 992G (ADZ S/N Prefix)

Caterpillar 992G (AZX S/N Prefix)

Caterpillar 992K (880 S/N Prefix)

Engines (97)

Caterpillar 3304 | 1PS ESN Prefix 4-cyl • Diesel

Caterpillar 3508B | 2GR ESN Prefix 8-cyl • Diesel

Caterpillar 3456 | 7RC ESN Prefix 6-cyl • Diesel

Caterpillar 3306B | 85Z ESN Prefix 6-cyl • Diesel

Caterpillar 3304B | 8XL ESN Prefix 4-cyl • Diesel

Caterpillar C15 | A3A ESN Prefix 6-cyl • Diesel

Caterpillar 3512C | B7F ESN Prefix 12-cyl • Diesel

Caterpillar 3512 | B7F ESN Prefix 12-cyl • Diesel

Caterpillar C18 | BDN ESN Prefix 6-cyl • Diesel

Caterpillar 3406 | BET ESN Prefix 6-cyl • Diesel

Caterpillar 3456 | BNT ESN Prefix 6-cyl • Diesel

Caterpillar C15 ACERT | BXS ESN Prefix 6-cyl • Diesel

Caterpillar C18 | C1J ESN Prefix 6-cyl • Diesel

Caterpillar 3508 | C8T ESN Prefix 8-cyl • Diesel

Caterpillar C18 | CJP ESN Prefix 6-cyl • Diesel

Caterpillar G3516 | CTL ESN Prefix 16-cyl • Gas/LPG

Caterpillar C18 | CYN ESN Prefix 6-cyl • Diesel

Caterpillar 3512 | DMC ESN Prefix 12-cyl • Diesel

Caterpillar C15 | ECX ESN Prefix 6-cyl • Diesel

Caterpillar C18 | EFE ESN Prefix 6-cyl • Diesel

Caterpillar C18 | EGE ESN Prefix 6-cyl • Diesel

Caterpillar C15 | EGH ESN Prefix 6-cyl • Diesel

Caterpillar C27 | EHX ESN Prefix 6-cyl • Diesel

Caterpillar C18 | EJG ESN Prefix 6-cyl • Diesel

Caterpillar C18 | ELL ESN Prefix 6-cyl • Diesel

Caterpillar C18 | EST ESN Prefix 6-cyl • Diesel

Caterpillar C15 | FTH ESN Prefix 6-cyl • Diesel

Caterpillar C15 | FTJ ESN Prefix 6-cyl • Diesel

Caterpillar C18 | GJE ESN Prefix 6-cyl • Diesel

Caterpillar C18 | GTB ESN Prefix 6-cyl • Diesel

Caterpillar C15 | HAZ ESN Prefix 6-cyl • Diesel

Caterpillar C15 | JAS ESN Prefix 6-cyl • Diesel

Caterpillar C32 | JDB ESN Prefix 6-cyl • Diesel

Caterpillar C32 | JDC ESN Prefix 6-cyl • Diesel

Caterpillar 3508B | JDM ESN Prefix 8-cyl • Diesel

Caterpillar C15 | JEP ESN Prefix 6-cyl • Diesel

Caterpillar C15 | JKG ESN Prefix 6-cyl • Diesel

Caterpillar C15 | JRE ESN Prefix 6-cyl • Diesel

Caterpillar C15 | KRA ESN Prefix 6-cyl • Diesel

Caterpillar G3516B | L6H ESN Prefix 16-cyl • Gas/LPG

Caterpillar G3516B | L6J ESN Prefix 16-cyl • Gas/LPG

Caterpillar G3516 | L6K ESN Prefix 16-cyl • Gas/LPG

Caterpillar G3516 | L6L ESN Prefix 16-cyl • Gas/LPG

Caterpillar G3516 | L6M ESN Prefix 16-cyl • Gas/LPG

Caterpillar G3516 | L6N ESN Prefix 16-cyl • Gas/LPG

Caterpillar G3516B | L6R ESN Prefix 16-cyl • Gas/LPG

Caterpillar G3516B | L6S ESN Prefix 16-cyl • Gas/LPG

Caterpillar C15 | LHX ESN Prefix 6-cyl • Diesel

Caterpillar C27 | LJX ESN Prefix 6-cyl • Diesel

Caterpillar C15 | MBN ESN Prefix 6-cyl • Diesel

Caterpillar C18 | MDP ESN Prefix 6-cyl • Diesel

Caterpillar C18 | MEP ESN Prefix 6-cyl • Diesel

Caterpillar C32 | MHM ESN Prefix 6-cyl • Diesel

Caterpillar C27 | MJE ESN Prefix 6-cyl • Diesel

Caterpillar C32 | MTH ESN Prefix 6-cyl • Diesel

Caterpillar C15 ACERT | MXS ESN Prefix 6-cyl • Diesel

Caterpillar C15 | N5F ESN Prefix 6-cyl • Diesel

Caterpillar C18 | NAY ESN Prefix 6-cyl • Diesel

Caterpillar C15 ACERT | NXS ESN Prefix 6-cyl • Diesel

Caterpillar C18 | PDH ESN Prefix 6-cyl • Diesel

Caterpillar C27 | PEN ESN Prefix 6-cyl • Diesel

Caterpillar C18 | PLE ESN Prefix 6-cyl • Diesel

Caterpillar C32 | PRH ESN Prefix 6-cyl • Diesel

Caterpillar C18 | RHX ESN Prefix 6-cyl • Diesel

Caterpillar C15 | RLA ESN Prefix 6-cyl • Diesel

Caterpillar C32 | RNC ESN Prefix 6-cyl • Diesel

Caterpillar C32 | RND ESN Prefix 6-cyl • Diesel

Caterpillar C32 | RNE ESN Prefix 6-cyl • Diesel

Caterpillar C32 | RNR ESN Prefix 6-cyl • Diesel

Caterpillar C32 | RNW ESN Prefix 6-cyl • Diesel

Caterpillar C32 | RNX ESN Prefix 6-cyl • Diesel

Caterpillar C32 | RNY ESN Prefix 6-cyl • Diesel

Caterpillar C32 | SDN ESN Prefix 6-cyl • Diesel

Caterpillar C18 | STH ESN Prefix 6-cyl • Diesel

Caterpillar C15 | SWE ESN Prefix 6-cyl • Diesel

Caterpillar C32 | SYC ESN Prefix 6-cyl • Diesel

Caterpillar C18 | T2P ESN Prefix 6-cyl • Diesel

Caterpillar C18 | T2R ESN Prefix 6-cyl • Diesel

Caterpillar C32 | T3T ESN Prefix 6-cyl • Diesel

Caterpillar C15 | T4P ESN Prefix 6-cyl • Diesel

Caterpillar C32 | TLD ESN Prefix 6-cyl • Diesel

Caterpillar C15 | TRB ESN Prefix 6-cyl • Diesel

Caterpillar C15 | TWA ESN Prefix 6-cyl • Diesel

Caterpillar C15 | TXG ESN Prefix 6-cyl • Diesel

Caterpillar C18 | WJB ESN Prefix 6-cyl • Diesel

Caterpillar C18 | WJH ESN Prefix 6-cyl • Diesel

Caterpillar C18 | WJW ESN Prefix 6-cyl • Diesel

Caterpillar C18 | WJY ESN Prefix 6-cyl • Diesel

Caterpillar G3516 | WPS ESN Prefix 16-cyl • Gas/LPG

Caterpillar G3516 | WPT ESN Prefix 16-cyl • Gas/LPG

Caterpillar G3516 | WPW ESN Prefix 16-cyl • Gas/LPG

Caterpillar C18 | WRH ESN Prefix 6-cyl • Diesel

Caterpillar C18 | X6W ESN Prefix 6-cyl • Diesel

Caterpillar C18 | X7W ESN Prefix 6-cyl • Diesel

Caterpillar G3516 | ZBA ESN Prefix 16-cyl • Gas/LPG

Caterpillar G3516B | ZBB ESN Prefix 16-cyl • Gas/LPG

Caterpillar C27 | ZRS ESN Prefix 6-cyl • Diesel

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.

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.