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fits John Deere
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John Deere 300-Series, 4-Cyl Valve Cover Gasket (Steel/Rubber) | Replaces R73521

John Deere 300-Series, 4-Cyl Valve Cover Gasket (Steel/Rubber) | Replaces R73521

SKU: NR73521
$1549
In Stock (99+)
Add to your cart
Condition: New Aftermarket
Cross-References: 14050018, 351151, 7400430, 7402010, A-R73521, A351151, FP-R73521, FPR73521, HCRNR73521, HR-73521, HR73521, JD74-R73521-MX, NR73521, P351151, R73521, TR73521, VS38126, X53284-01
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

New aftermarket valve cover gasket.

Fitment Guide

Backhoe Loaders (21)
John Deere 210C
John Deere 300D
John Deere 310A
John Deere 310B
John Deere 310C
John Deere 310D
John Deere 315C
John Deere 315D
John Deere 401C
John Deere 401D
John Deere 410
John Deere 410B
John Deere 410C
John Deere 410D
John Deere 415B
John Deere 510B
John Deere 510C
John Deere 510D
John Deere 515B
John Deere 610B
John Deere 610C
Combines (3)
John Deere 3300
John Deere 4400
John Deere 45
Cotton Pickers (1)
John Deere 499
Cotton Strippers (1)
John Deere 482
Crawlers (19)
John Deere 400G
John Deere 450C
John Deere 450D
John Deere 450E
John Deere 450G
John Deere 455D
John Deere 455E
John Deere 455G
John Deere 550A
John Deere 550B
John Deere 550G
John Deere 555A
John Deere 555B
John Deere 555G
John Deere 650G
John Deere JD450
John Deere JD450B
John Deere JD550
John Deere JD555
Excavators (11)
John Deere 190E
John Deere 290D
John Deere 490
John Deere 490D
John Deere 490E
John Deere 495D
John Deere 590D
John Deere 595
John Deere 595D
John Deere 70
John Deere 70D
Feller Bunchers (1)
John Deere 493D
Forklifts (5)
John Deere 480C
John Deere 482C
John Deere JD480
John Deere JD480A
John Deere JD480B
Knuckleboom Loaders (3)
John Deere 7610
John Deere 7620
John Deere 7630
Log Skidders (12)
John Deere 340D
John Deere 440D
John Deere 448D
John Deere 540B
John Deere 540D
John Deere 540E
John Deere 548D
John Deere 548E
John Deere JD440
John Deere JD440A
John Deere JD440B
John Deere JD440C
Power Units (21)
John Deere 202DE01
John Deere 219DH01
John Deere 219DH02
John Deere 4039DF
John Deere 4039DFM
John Deere 4039TF
John Deere 4045DF
John Deere 4045TF
John Deere 4045TFM
John Deere 4219D
John Deere 4239D
John Deere 4239T
John Deere 4239T/A
John Deere 4276D
John Deere 4276T
John Deere EA202D
John Deere HA219D
John Deere HC219D
John Deere JD180G
John Deere JD202G
John Deere JD219G
Sprayers (4)
John Deere 6000
John Deere 6100
John Deere 6500
John Deere 6600
Tractors (35)
John Deere 1640
John Deere 1830
John Deere 1840
John Deere 2020
John Deere 2030
John Deere 2040
John Deere 2040S
John Deere 2120
John Deere 2130
John Deere 2140
John Deere 2350
John Deere 2355
John Deere 2440
John Deere 2510
John Deere 2520
John Deere 2550
John Deere 2555
John Deere 2630
John Deere 2640
John Deere 2650
John Deere 2650N
John Deere 2750
John Deere 2755
John Deere 2850
John Deere 2855N
John Deere 5500
John Deere 5500N
John Deere 6200
John Deere 6200L
John Deere 6300
John Deere 6300L
John Deere 6400
John Deere 6400L
John Deere 6500
John Deere 6500L
Wheel Loaders (5)
John Deere 344E
John Deere 344G
John Deere 401B
John Deere 444E
John Deere 444G
Wheel Tractors (3)
John Deere 401B
John Deere JD400
John Deere JD401
Windrowers (7)
John Deere 2270
John Deere 2280
John Deere 2360
John Deere 2420
John Deere 3430
John Deere 3830
John Deere 880
Engines (19)
John Deere 4045T | Turbocharged, 1.625" Piston Pin, 8.58" Length Sleeve, .312" Valve Stem Diameter
4-cyl • Diesel
John Deere 4045D | Naturally Aspirated, 1.625" Piston Pin, 8.58" Length Sleeve, .312" Valve Stem Diameter
4-cyl • Diesel
John Deere 4276T | Turbocharged, 1.625" Piston Pin, 8.58" Length Sleeve, .375" Valve Stem Diameter
4-cyl • Diesel
John Deere 4276D | Naturally Aspirated, Large Pin, 1.625" Piston Pin, 8.58" Length Sleeve, .375" Valve Stem Diameter
4-cyl • Diesel
John Deere 4276D | Naturally Aspirated, Small Pin, 1.375" Piston Pin, 8.58" Length Sleeve, .375" Valve Stem Diameter
4-cyl • Diesel
John Deere 4039T | Turbocharged, Aftercooled 3.9 liter, 1.625" Piston Pin, 7.72" Sleeve Length, .375" Valve Stem Diameter
4-cyl • Diesel
John Deere 4039D | Naturally Aspirated 3.9 liter, 1.375" Piston Pin, 7.72" Sleeve Length, .375" Valve Stem Diameter
4-cyl • Diesel
John Deere 4239T, 4239A | Turbocharged, Aftercooled, 1.625" Piston Pin, 7.72" Sleeve Length, .375" Valve Stem Diameter
4-cyl • Diesel
John Deere 4239D | Naturally Aspirated, 1.375" Piston Pin, 7.72" Sleeve Length, .375" Valve Stem Diameter
4-cyl • Diesel
John Deere 4219D, 4219T | Naturally Aspirated or Turbocharged, Late SN, 1.375" Piston Pin, Has o-ring grooves in block
4-cyl • Diesel
John Deere 4219D | Naturally Aspirated, Early SN, 1.1875" Piston Pin, Has o-ring grooves in block, Block C/N T32342, R53250, R55011, R72972
4-cyl • Diesel
John Deere 4219D | Naturally Aspirated, Early SN, 1.1875" Piston Pin, Block C/N T26933, No o-ring grooves in block, 7.72" Length Sleeve
4-cyl • Diesel
John Deere 4202 | Late SN, Block C/N T32342, R53250, R55034, R72973, Has o-ring grooves in block, 7.72" Length Sleeve
4-cyl • Diesel
John Deere 4202 | Early SN, Block C/N T23406, T24961, T26933, No o-ring grooves in block, 7.72" Length Sleeve
4-cyl • Diesel
John Deere 219 | Block C/N T32348, Has o-ring grooves in block, 7.72" Length Sleeve
4-cyl • Gas/LPG
John Deere 202 | Late SN, ESN after 157353, Block C/N T32348, Has o-ring grooves in block, 7.72" Length Sleeve
4-cyl • Gas/LPG
John Deere 202 | Early SN, ESN up to 157353, Block C/N T28746, No o-ring grooves in block, 7.72" Length Sleeve
4-cyl • Gas/LPG
John Deere 180 | Late SN, Block C/N T32349, T72981, Has o-ring grooves in block, 7.14" Length Sleeve
4-cyl • Gas/LPG
John Deere 180 | Early SN, Block C/N T23405, T24960, T26932, No o-ring grooves in block, 7.14" Length Sleeve
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.