$0.00
Details
This head bolt kit contains bolts that are 4 different lengths.
Contains 6 x 3.2", 5 x 5.2", 8 x 6.2", 7 x 7.2" Bolts
Fits Early Blocks #R40610, R40930, R43310, R45980, R47020, R47110, R47170
John Deere 404 Early Block Diesel
Combines: 105 After 19000, 6602 Thru 1500, 7700 Thru 8000
Power Unit: 6404 Irrigation Engine
Tractors: 4000; 4020 After 200999
Wheel Tractors: JD600 After 200999
John Deere 404 Early Block Diesel
Combines: 6600 After 156500; 6602 After 1500; 7700 After 8000;
Tractors: 4230, 4040;
John Deere 404 Early Block Diesel
Combines: 6600SH Aft 305672; 6602 Aft 163500; 7700 Aft 8000; Excavator: 690B; Feller Buncher: 693B;
Forage Harvesters: Late 5200; 5440; Log Skidders: JD740; Tractors: 4430, 4630; Late 7020;
John Deere 466T Turbo & Aftercooled
Combines: Late 6620, 6622, 7720, 7722 8820
Compactors: Late 646C, JD646
Cotton Pickers: Late 9940; 9950
Crawlers: 850B
Excavators: JD690, JD690A, 690C, 690CR, 790, 790D, 792, 892DLC
Feller Bunchers: Late 693C, Late 743A, 793D
Graders: Late 770A, 770AH, 772A, 772AH; Early 770B, 770BH, 772B, 772BH
Forage Harvesters: Early 5200, Late 5720, 5730
Log Skidders: Late 740A
Power Units: Late 6466TF, 6466AF, Mid 6466AF
Scrapers: Late 762A; 762B Thru 818908
Tractors: 4050 Thru 6509, 4240, 4050E, 4250, 4450, Early 4455 Mexico, 4650, 4850, Late 8450, 4320, 4520, 4620, Early 7020
Wheel Loaders: JD644, JD644A, Late 644C; 644D
OEM Part Number Cross Reference(s): AR47127
Warranty Information
Overview
We stand behind every part we sell — new, rebuilt, or used. While RF Engine is not the manufacturer and cannot extend additional warranties, we do guarantee that each product will arrive as described, in usable condition, and free from material defects or misrepresentation.
Warranty Coverage
- New Parts: Covered under the original manufacturer’s warranty. All terms and coverage are set by the manufacturer. Copies available upon request.
- Rebuilt, Reconditioned, and Used Parts: Backed by an inspection-only warranty unless otherwise stated. As with new parts, RF Engine cannot provide further warranty coverage beyond the manufacturer’s terms.
- No Additional Warranty: RF Engine does not offer any express or implied warranties. However, if an issue arises, we are here to assist and will support you through any applicable manufacturer claim process.
Our Guarantee
All parts are guaranteed to be in the condition stated at the time of sale and free from misrepresentation. If something isn’t right, we’ll work with you to resolve it — including returns, exchanges, or refunds when appropriate.
- We sell parts — we don’t make them — but we stand behind what we sell.
- Guaranteed to match the description or your money back.
- Manufacturer’s warranty applies where available; we’ll help if you ever need it.
Used Parts — What to Expect
Used parts are cleaned, inspected, and guaranteed to be usable, but please note:
- They often have signs of wear, surface rust, blemishes, or cosmetic imperfections.
- They may include old gaskets or residue and likely require further cleaning or machining before installation.
- They are not refurbished, remanufactured, or restored to like-new appearance.
We recommend careful inspection and strongly encourage installation by a qualified heavy-duty diesel mechanic.
- Worn, not worn out — used parts may show signs of age but are fit for service.
- All used parts are tested for usability, not appearance.
Questions?
If you have questions about a part’s condition, warranty, or how we handle returns and guarantees, feel free to contact us. We’re here to help.
Last Updated: June 22, 2025
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.
