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1020 Tractor, 1030 Tractor, 1040 Tractor, 1070D Tree Harvester, 1110D Forwarder, 1120 Tractor, 1130 Tractor, 1140 Tractor, 1165 Combine, 1170 Combine, 1175 Combine, 1175H Combine, 1410D Forwarder, 1450CWS Combine, 1450WTS Combine, 1490D Slash Bundler, 1530 Tractor, 1550 Tractor, 1550CWS Combine, 1550WTS Combine, 1630 Tractor, 1640 Tractor, 1750 Tractor, 1830 Tractor, 1840 Tractor, 1850 Tractor, 1850N Tractor, 190E Excavator, 200CLC Excavator, 200LC Excavator, 2030 Tractor, 2040 Tractor, 2040S Tractor, 2054 Logger, 210C Backhoe Loader, 210LE Wheel Loader, 2120 Tractor, 2130 Tractor, 2140 Tractor, 2150 Tractor, 2155 Tractor, 2240 Tractor, 2255 Tractor, 2270 Windrower, 2280 Windrower, 230CLC Excavator, 230LC Excavator, 230LCR Excavator, 230LCRD Excavator, 2350 Tractor, 2355 Tractor, 2355N Tractor, 2360 Windrower, 240 Skid Loader, 240-II Skid Loader, 2420 Windrower, 2440 Tractor, 250 Skid Loader, 250-II Skid Loader, 2550 Tractor, 2554 Logger, 2555 Tractor, 260 Skid Loader, 260-II Skid Loader, 2630 Tractor, 2640 Tractor, 2650 Tractor, 2650N Tractor, 270 Skid Loader, 270CLC Excavator, 270LC Excavator, 2750 Tractor, 2755 Tractor, 280 Skid Loader, 2840 Tractor, 2850 Tractor, 2855N Tractor, 290D Excavator, 2940 Tractor, 2950 Tractor, 2955 Tractor, 300B Backhoe Loader, 300D Backhoe Loader, 301A Wheel Tractor, 302 Wheel Tractor, 3029DF Power Unit, 3029DF120 Power Unit, 3029DF128 Power Unit, 3029DF150 Power Unit, 3029DF151 Power Unit, 3029DF152 Power Unit, 3029DF160 Power Unit, 3029DF180 Power Unit, 3029TF Power Unit, 3029TF120 Power Unit, 3029TF150 Power Unit, 3029TF152 Power Unit, 3029TF158 Power Unit, 3029TF160 Power Unit, 3029TF180 Power Unit, 3029TF270 Power Unit, 302A Backhoe Loader, 3030 Tractor, 3040 Tractor, 3055 Tractor, 310A Backhoe Loader, 310B Backhoe Loader, 310C Backhoe Loader, 310D Backhoe Loader, 310E Backhoe Loader, 310G Backhoe Loader, 3110 Tractor, 3130 Tractor, 3140 Tractor, 3150 Tractor, 3155 Tractor, 315C Backhoe Loader, 315D Backhoe Loader, 3164D Power Unit, 3179D Power Unit, 3179T Power Unit, 324H Wheel Loader, 3255 Tractor, 329DH01 Power Unit, 329DH02 Power Unit, 329DN03 Power Unit, 3300 Combine, 330B Log Loader, 330LC Excavator, 330LCR Excavator, 335 Log Loader, 335C Log Loader, 340D Log Skidder, 3430 Windrower, 344E Wheel Loader, 344G Wheel Loader, 344H Wheel Loader, 350C Crawler, 350D Crawler, 355D Crawler, 360DC Log Skidder, 360DG Log Skidder, 370 Excavator, 3830 Windrower, 400G Crawler, 401B Wheel Tractor, 401C Backhoe Loader, 401D Backhoe Loader, 4030 Tractor, 4039DF Power Unit, 4039DFM Power Unit, 4039TF Power Unit, 4045DF Power Unit, 4045DF120 Power Unit, 4045DF150 Power Unit, 4045DF158 Power Unit, 4045DFM50 Power Unit, 4045TF Power Unit, 4045TF150 Power Unit, 4045TFM Power Unit, 4050 Tractor, 4055 Tractor, 410 Backhoe Loader, 410B Backhoe Loader, 410C Backhoe Loader, 410D Backhoe Loader, 415B Backhoe Loader, 4239D Power Unit, 4239T Power Unit, 4239T/A Power Unit, 4255 Tractor, 4276D Power Unit, 4276T Power Unit, 430B Log Loader, 430B-II Log Loader, 435 Log Loader, 435C Log Loader, 435-II Log Loader, 437C Log Loader, 4400 Combine, 440D Log Skidder, 4420 Combine, 4425 Combine, 4435 Combine, 4435 Hydro Combine, 444C Wheel Loader, 444CH Wheel Loader, 444D Wheel Loader, 444E Wheel Loader, 444G Wheel Loader, 4455 Tractor, 448D Log Skidder, 450C Crawler, 450D Crawler, 450E Crawler, 450G Crawler, 450H Crawler, 450J Crawler, 4555 Tractor, 455D Crawler, 455E Crawler, 455G Crawler, 4560 Tractor, 460DC Log Skidder, 460DG Log Skidder, 4700 Sprayer, 4710 Sprayer, 4755 Tractor, 4760 Tractor, 480C Forklift, 482 Cotton Stripper, 482C Forklift, 484 Cotton Stripper, 485E Forklift, 486E Forklift, 488E Forklift, 490 Excavator, 490D Excavator, 490E Excavator, 493D Feller Buncher, 4955 Tractor, 495D Excavator, 4960 Tractor, 499 Cotton Picker, 4990 Windrower, 4995 Windrower, 5045D Tractor, 5045E Tractor, 5055D Tractor, 5055E Tractor, 5065E Tractor, 5075E Tractor, 5103 Tractor, 5105 Tractor, 510B Backhoe Loader, 510C Backhoe Loader, 510D Backhoe Loader, 515B Backhoe Loader, 5200 Tractor, 5203 Tractor, 5205 Tractor, 5210 Tractor, 5215 Tractor, 5215F Tractor, 5215V Tractor, 5220 Tractor, 5300 Tractor, 5300N Tractor, 5303 Tractor, 530B Log Loader, 5310 Tractor, 5310N Tractor, 5315 Tractor, 5315F Tractor, 5315V Tractor, 5320 Tractor, 5320N Tractor, 535 Log Loader, 5400 Tractor, 5400N Tractor, 5403 Tractor, 540B Log Skidder, 540D Log Skidder, 540E Log Skidder, 540G Log Skidder, 540G-II Log Skidder, 540G-III Log Skidder, 5410 Tractor, 5410N Tractor, 5415 Tractor, 5415N Tractor, 5420 Tractor, 5420N Tractor, 544C Wheel Loader, 544D Wheel Loader, 544DH Wheel Loader, 544E Wheel Loader, 544EH Wheel Loader, 544G Wheel Loader, 544GH Wheel Loader, 544H Wheel Loader, 544HLL Log Loader, 544J Wheel Loader, 5460 Forage Harvester, 548D Log Skidder, 548E Log Skidder, 548G Log Skidder, 548G-II Log Skidder, 548G-III Log Skidder, 5500 Tractor, 5500N Tractor, 550A Crawler, 550B Crawler, 550G Crawler, 555A Crawler, 555B Crawler, 555G Crawler, 560D Log Skidder, 5615 Tractor, 570A Grader, 570B Grader, 5820 Forage Harvester, 5830 Forage Harvester, 590D Excavator, 595 Excavator, 595D Excavator, 6000 Sprayer, 6059DF Power Unit, 6059TF Power Unit, 6068DF Power Unit, 6068DF150 Power Unit, 6068DFM Power Unit, 6068HF120 Power Unit, 6068HF150 Power Unit, 6068HF157 Power Unit, 6068HF158 Power Unit, 6068HF250 Power Unit, 6068HF258 Power Unit, 6068HF275 Power Unit, 6068SFM50 Power Unit, 6068TF Power Unit, 6068TF120 Power Unit, 6068TF150 Power Unit, 6068TF151 Power Unit, 6068TF157 Power Unit, 6068TF158 Power Unit, 6068TF220 Power Unit, 6068TF250 Power Unit, 6068TF258 Power Unit, 6068TF275 Power Unit, 6068TFM Power Unit, 6068TFM50 Power Unit, 6068TFM75 Power Unit, 6068TFM76 Power Unit, 6076 Power Unit, 6081AF Power Unit, 6081TF Power Unit, 6100 Sprayer, 610B Backhoe Loader, 610C Backhoe Loader, 6200 Tractor, 6200L Tractor, 624E Wheel Loader, 624EH Wheel Loader, 624G Wheel Loader, 624GH Wheel Loader, 624H Wheel Loader, 624HLL Log Loader, 6250 Tractor, 6300 Tractor, 6300L Tractor, 6329D Power Unit, 6359D Power Unit, 6359T/A Power Unit, 6400 Tractor, 6400L Tractor, 640D Log Skidder, 640E Log Skidder, 640G Log Skidder, 640G-II Log Skidder, 640G-III Log Skidder, 6414D Power Unit, 6414T Power Unit, 643 Feller Buncher, 643D Feller Buncher, 643G Feller Buncher, 643H Feller Buncher, 644E Wheel Loader, 644EH Wheel Loader, 644ER Wheel Loader, 644EZ Wheel Loader, 644G Wheel Loader, 644H Wheel Loader, 648D Log Skidder, 648E Log Skidder, 648G Log Skidder, 648G-II Log Skidder, 648G-III Log Skidder, 6500 Sprayer, 6500 Tractor, 6500L Tractor, 650G Crawler, 6520 Tractor, 653E Feller Buncher, 653G Feller Buncher, 655 Crawler, 655B Crawler, 6600 Combine, 6600 Sprayer, 6603 Tractor, 6605 Tractor, 660D Log Skidder, 6610 Forage Harvester, 6615 Tractor, 6619AF Power Unit, 6619TF Power Unit, 6620 Tractor, 670B Grader, 670C Grader, 670CH Grader, 670CH-II Grader, 670C-II Grader, 6715 Tractor, 672B Grader, 672CH Grader, 672CH-II Grader, 690D Excavator, 690DR Excavator, 690ELC Excavator, 693D Feller Buncher, 70 Excavator, 700H Crawler, 700J Crawler, 70D Excavator, 710B Backhoe Loader, 710C Backhoe Loader, 710D Backhoe Loader, 710G Backhoe Loader, 7200 Tractor, 7210 Tractor, 7220 Tractor, 7320 Tractor, 740 Feller Buncher, 7400 Tractor, 7405 Tractor, 740E Log Skidder, 740G Log Skidder, 7410 Tractor, 7420 Tractor, 7440 Cotton Stripper, 7445 Cotton Stripper, 744E Wheel Loader, 7450 Cotton Stripper, 7455 Cotton Stripper, 7460 Cotton Stripper, 748E Log Skidder, 748G Log Skidder, 748G-II Log Skidder, 748G-III Log Skidder, 7500 Tractor, 750B Crawler, 750C Crawler, 750C-II Crawler, 750J Crawler, 7510 Tractor, 7520 Tractor, 755A Crawler, 755B Crawler, 755BH Crawler, 7600 Tractor, 7610 Knuckleboom Loader, 7610 Tractor, 7620 Knuckleboom Loader, 762B-II Scraper, 7630 Knuckleboom Loader, 7700 Tractor, 770B Grader, 770BH Grader, 770C Grader, 770CH Grader, 770CH-II Grader, 770C-II Grader, 7710 Tractor, 772B Grader, 772BH Grader, 772CH Grader, 772CH-II Grader, 7800 Tractor, 7810 Tractor, 7815 Tractor, 790ELC Excavator, 792DLC Excavator, 8100 Tractor, 8100T Tractor, 8110 Tractor, 8110T Tractor, 8200 Tractor, 8200T Tractor, 8210 Tractor, 8210T Tractor, 830 Tractor, 8300 Tractor, 8300T Tractor, 8310 Tractor, 8310T Tractor, 840 Feller Buncher, 8400 Tractor, 8400T Tractor, 843G Feller Buncher, 843H Feller Buncher, 848G Log Skidder, 850 Crawler, 850C Crawler, 850C-II Crawler, 855 Crawler, 8560 Tractor, 8570 Tractor, 862 Scraper, 862B Scraper, 8630 Tractor, 8640 Tractor, 8650 Tractor, 8760 Tractor, 8875 Skid Loader, 890 Excavator, 890A Excavator, 892ELC Excavator, 9100 Tractor, 930 Tractor, 940 Tractor, 9400 Combine, 9410 Combine, 9450 Combine, 9500 Combine, 9510 Combine, 9540WTS Combine, 9550 Combine, 9550SH Combine, 9600 Combine, 9900 Cotton Picker, 9910 Cotton Picker, 9920 Cotton Picker, 992DLC Excavator, 9930 Cotton Picker, 9935 Cotton Picker, 9960 Cotton Picker, 9965 Cotton Picker, 9970 Cotton Picker, CTS Combine, JD310 Backhoe Loader, JD440C Log Skidder, JD444 Wheel Loader, JD450B Crawler, JD480B Forklift, JD540A Log Skidder, JD544A Wheel Loader, JD544B Wheel Loader, JD550 Crawler, JD555 Crawler, JD640 Log Skidder, JD670 Grader, JD670A Grader, JD672A Grader, JD750 Crawler, JD755 Crawler, JD762 Scraper, JD860B Scraper, TC54H Wheel Loader, TC62H Wheel Loader
OEM Part Number Cross Reference(s): R51936
seals fuel line nut to Tee fitting
OEM Part Number Cross Reference(s): R51936
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.
