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Case 251B, 267B, 301B, 336BD, 401B, 451B, 504B, 504BDT  Lower Set

Case 251B, 267B, 301B, 336BD, 401B, 451B, 504B, 504BDT Lower Set

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SKU: 5A189538
$12719
In Stock (79)
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Condition: New Aftermarket
Cross-References: 106152, 321128, 321128A, 321131, 321141, 321153, 321153U, 321161, 321385, 515110, 515254, 5A189538, A-A189538, A189538, A321161, A41834, B32153-00, CS3513, CS3513-CL, CS3513-T, CS3513CL, CS5110, CS5254, CS72-267BD, CS72-401BD, CS72-401D, CS72-504BDTI, CS72-504BDTI-CV, CS8432-1, CS8432-1-FEL, FP-A189538, HCR5A189538, HEA189538, P321153, P321161
The RF Engine Advantage
Family Operated Since 1975

Original Equipment Quality

Parts that meet or exceed OEM specifications. Guaranteed performance you can trust. Reliability built into every component.

100+ Years of Expertise

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.

Here for the Long Haul

Same location and same phone number for the last 50 years. Same commitment to getting you the right parts at the right price.

New, Reman, & Used

RF Engine offers an expansive offering of new aftermarket, remanufactured, and used engines and engine parts all under one roof.

Details

Case 267B Engine
Case 770 Diesel
Case Industrial 680B Diesel

Case 301B Engine

Case Industrial 475, 475C, 680C, W7E Diesel
Case Industrial 850 Diesel

Case 336BD Engine
Case 870 Diesel
Case Industrial 680E, 680G, 680H, 850B, 850C, 855C, W14 Diesel

Case 336BDT Engine
Case Industrial 35D, 780, 780B, 880, 880B, 880R Diesel

Case 401B Engine
Case 970 Diesel
Case Industrial W8E, W9E, W10E, W18, W20, W20B Diesel
Case Industrial 1150 Diesel

Case 451BD Engine
Case 1070, 1090
Case Industrial 1150B, 1150C Diesel

Case 451BDT Engine
Case 1170, 1175, 1270

Case 504BDT Engine
Case Industrial 40, 40D, 40E, 45, 45B, 50D, 50E, 980, 980B, 1080, 1080B, 1280, 1280B, 1285, 1450, 1450B, W24C, W26B, W30
Case 1370, 1470, 1570, 2290, 2294, 2390, 2394, 2470, 2590, 2594, 3294, 3394, 3594, 4490, 4494

Case 504BD Engine
Case 2090, 2094
Case Industrial 880C, 1150D, 1155D, W18B, W20C, W24, W24B Diesel

Case 504BDTI Engine
Case 2670, 4690, 4694
Case Industrial W36 Diesel

Interchanges A189538 - Contains universal oil pan gasket to work with all applications

OEM Part Number Cross Reference(s): A189538, 515110, A41834, 515254

Fitment Guide

Backhoe Loaders (7)
Case & Case-IH 680B
Case & Case-IH 680C
Case & Case-IH 680E
Case & Case-IH 680G
Case & Case-IH 680H
Case & Case-IH 780B
Case & Case-IH 780CK
Cable Layers (1)
Case & Case-IH 475
Crawlers (12)
Case & Case-IH 1150
Case & Case-IH 1150B
Case & Case-IH 1150C
Case & Case-IH 1150D
Case & Case-IH 1155D
Case & Case-IH 1450
Case & Case-IH 1450B
Case & Case-IH 1455B
Case & Case-IH 850
Case & Case-IH 850B
Case & Case-IH 850C
Case & Case-IH 855C
Excavators (13)
Case & Case-IH 1080
Case & Case-IH 1080B
Case & Case-IH 1280
Case & Case-IH 1280B
Case & Case-IH 35B
Case & Case-IH 40D
Case & Case-IH 40E
Case & Case-IH 50E
Case & Case-IH 880
Case & Case-IH 880B
Case & Case-IH 880C
Case & Case-IH 980
Case & Case-IH 980B
Feller Bunchers (2)
Case & Case-IH 1187
Case & Case-IH 1187B
Log Skidders (5)
Case & Case-IH 300C
Case & Case-IH 400C
Case & Case-IH 600
Case & Case-IH 800
Case & Case-IH 825
Power Units (1)
Case & Case-IH 504D
Tractors (28)
Case & Case-IH 1070
Case & Case-IH 1090
Case & Case-IH 1170
Case & Case-IH 1175
Case & Case-IH 1270
Case & Case-IH 1370
Case & Case-IH 1470
Case & Case-IH 1570
Case & Case-IH 2090
Case & Case-IH 2094
Case & Case-IH 2290
Case & Case-IH 2294
Case & Case-IH 2390
Case & Case-IH 2394
Case & Case-IH 2470
Case & Case-IH 2590
Case & Case-IH 2594
Case & Case-IH 2670
Case & Case-IH 3294
Case & Case-IH 3394
Case & Case-IH 3594
Case & Case-IH 4490
Case & Case-IH 4494
Case & Case-IH 4690
Case & Case-IH 4694
Case & Case-IH 770
Case & Case-IH 870
Case & Case-IH 970
Wheel Loaders (18)
Case & Case-IH W10E
Case & Case-IH W14
Case & Case-IH W14FL
Case & Case-IH W14H
Case & Case-IH W18
Case & Case-IH W18B
Case & Case-IH W20
Case & Case-IH W20B
Case & Case-IH W20C
Case & Case-IH W24
Case & Case-IH W24B
Case & Case-IH W24C
Case & Case-IH W26B
Case & Case-IH W30
Case & Case-IH W36
Case & Case-IH W7E
Case & Case-IH W8E
Case & Case-IH W9E
Engines (24)
Case & Case-IH 504BDTI | 5.192" Fire Dam, 5.43" Counterbore, 5.415" Sleeve Flange O.D., 1.80" Piston Pin, Dual Ni-resist Insert, Intercooled
6-cyl • Diesel
Case & Case-IH 504BDT | CVC Fuel Injection Pump, 5.192" Fire Dam, 5.43" Counterbore, 5.415" Sleeve Flange O.D., Single groove on injection line nut, Modified combustion bowl profile
6-cyl • Diesel
Case & Case-IH 504BDT | 5.192" Fire Dam, 5.43" Counterbore, 5.415" Sleeve Flange O.D., 1.80" Piston Pin, Keystone Compression Rings
6-cyl • Diesel
Case & Case-IH 504BDT | 5.094" Fire Dam, 5.387" Counterbore, 5.374" Sleeve Flange O.D., 1.80" Piston Pin, Keystone Compression Rings
6-cyl • Diesel
Case & Case-IH 504BDT | 5.192" Fire Dam, 5.43" Counterbore, 5.415" Sleeve Flange O.D., 1.625" Piston Pin, Keystone Compression Rings
6-cyl • Diesel
Case & Case-IH 504BD, 504BDT | 5.192" Fire Dam, 5.43" Counterbore, 5.415" Sleeve Flange O.D., 1.625" Piston Pin, Rectangular Compression Rings
6-cyl • Diesel
Case & Case-IH 504BD, 504BDT | 5.094" Fire Dam, 5.387" Counterbore, 5.374" Sleeve Flange O.D., 1.625" Piston Pin, Rectangular Compression Rings
6-cyl • Diesel
Case & Case-IH 504BD | 5.192" Fire Dam, 5.43" Counterbore, 5.415" Sleeve Flange O.D., 1.80" Piston Pin, Keystone Top Ring
6-cyl • Diesel
Case & Case-IH 504BD | 5.094" Fire Dam, 5.387" Counterbore, 5.374" Sleeve Flange O.D., 1.80" Piston Pin, Keystone Top Ring
6-cyl • Diesel
Case & Case-IH 451BDT | Direct Injection, 1.625" Piston Pin, .156" or .185" Thrust Washers
6-cyl • Diesel
Case & Case-IH 451BD, 451BDT | Direct Injection, 1.500" Piston Pin, .156" or .185" Thrust Washers
6-cyl • Diesel
Case & Case-IH 401BD, 401BDT | Direct Injection, 1.50" Piston Pin, .185" Thrust Washers
6-cyl • Diesel
Case & Case-IH 336BDT | OHV, Series 1, 2, 3 with small journal crank, 1.937" Rod Journal, 2.25" Main Journal
4-cyl • Diesel
Case & Case-IH 336BD, 336BDT | 5.192" Fire Dam, 5.430" Counterbore, 5.415" Sleeve Flange O.D., 1.625" Piston Pin, Rectangular Compression Rings
4-cyl • Diesel
Case & Case-IH 336BDT | 5.192" Fire Dam, 5.430" Counterbore, 5.415" Sleeve Flange O.D., 1.800" Piston Pin, Keystone Compression Rings
4-cyl • Diesel
Case & Case-IH 336BD, 336BDT | 5.192" Fire Dam, 5.430" Counterbore, 5.415" Sleeve Flange O.D., 1.800" Piston Pin, Keystone Top Ring
4-cyl • Diesel
Case & Case-IH 336BD, 336BDT | 5.094" Fire Dam, 5.387" Counterbore, 5.374" Sleeve Flange O.D., 1.625" Piston Pin, Rectangular Compression Rings
4-cyl • Diesel
Case & Case-IH 336BDT | 5.094" Fire Dam, 5.387" Counterbore, 5.374" Sleeve Flange O.D., 1.800" Piston Pin, Keystone Compression Rings
4-cyl • Diesel
Case & Case-IH 336BD, 336BDT | 5.094" Fire Dam, 5.387" Counterbore, 5.374" Sleeve Flange O.D., 1.800" Piston Pin, Keystone Top Ring
4-cyl • Diesel
Case & Case-IH 301BD | Direct Injection, 1.50" Piston Pin, .185" Thrust Washers
4-cyl • Diesel
Case & Case-IH 267BD | Direct Injection, 1.500" Piston Pin, .185" Thrust Washers
4-cyl • Diesel
Case & Case-IH A377B | 1.358" Piston Pin, .185" Thrust Washers
6-cyl • Gas/LPG
Case & Case-IH A301B | 1.358" Piston Pin, .185" Thrust Washers
4-cyl • Gas/LPG
Case & Case-IH A251B | 1.358" Piston Pin, .185" Thrust Washers
4-cyl • Gas/LPG
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 (Reliance Manufactured): 6 months from invoice date, parts replacement only
  • Remanufactured Long/Short Blocks & New 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.

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All specifications and numbers are provided for reference only and should be independently verified before use. While we guarantee our parts match their descriptions and accept returns for any discrepancies, we cannot be held liable for installation costs, modifications, or consequential damages. Questions about compatibility? Contact our parts experts at 800-828-6943, sales@dieselcranks.com, or via live chat, Mon-Fri 8am-5pm EST.