Multiple options, conditions, or variants are available for this item.

John Deere 300-Series Intake Valve (STD) | Replaces R79623, R52251

99+

Standard

^$10⁴⁷

John Deere 300-Series Intake Valve (.003") | Replaces R79628

.003"

^$11¹⁹

John Deere 300-Series Intake Valve (.015") | Replaces R79629

.015"

^$8⁸⁵

John Deere 300-Series Intake Valve (.030") | Replaces R79630

.030"

^$19⁸³

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John Deere 300-Series Intake Valve (STD) | Replaces R79623, R52251

SKU: NR79623

^$10⁴⁷

In Stock (99+)

Qty:

Condition: New Aftermarket

Cross-References: 10-1234, 1234, 14020001, 211-4168, 2114168, 42-17, 4200170, 451222, 550-AC C/O2R), A-R79623, ABR79623, EM1338, FP-R52251, FP-R79623, FPR52251, FPR79623, HCRNR79623, HR-79623, HR79623, I1234, NR52251, NR79623, P451222, R52251, R79623, S1960, TP-R79623, TPR52251, TR79623, V2112, V2684X

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 45-degree, standard size valve stem, intake valve.

Head Diameter: 1.770"
Overall Length: 5.155"
Valve Angle: 45-Degree

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.