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International DT268 Diesel Expansion Plug, 30591

International DT268 Diesel Expansion Plug, 30591

SKU: 730591
$767
Low Stock (3)
Add to your cart
Condition: New Aftermarket
Cross-References: 30591, P741154
The RF Engine Advantage
Family Operated Since 1975

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

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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.

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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

25mm

International 995 Tractor w/ DT268 engine
International 4240 Tractor w/ DT268 engine
International 510 Dump Truck Thru ESN D003779 w/ D268 engine
International 270A Backhoe Early w/ D268 engine
International 884 Tractor Thru ESN D050554 w/ D268 engine
International 885 Tractor w/ D268 engine
International TD-8C Crawler Late w/ D268 engine
International 884 Tractor After ESN D052919 w/ D268 engine
International TD-8C Crawler w/ D268 engine
International 4230 Tractor w/ D268 engine
International TD-8C Crawler w/ D268 engine
International 884 Tractor ESN D050555-D052919 w/ D268 engine
International 895 Tractor w/ D268 engine
International 510 Dump Truck After ESN D003779 w/ D268 engine
International 270A Backhoe Late w/ D268 engine
International 510 Dump Truck After ESN D003779 (w/ RH notch rod bearings) w/ D268 engine
International 270A Backhoe Late (w/ RH notch rod bearings) w/ D268 engine
International 654 Tractor w/ D206 engine
International 584 Tractor After ESN D319017 w/ D206 engine
International 624 Tractor w/ D206 engine
International 584 Tractor Thru ESN D319017 w/ D206 engine
International 375 Windrower w/ D206 engine
International TD-7 Crawler Early w/ D206 engine
International 105 Combine w/ D206 engine
International 585 Tractor w/ D206 engine
International 100 Wheel Loader Early w/ D206 engine
International 100 Wheel Loader Late w/ D206 engine
International 3230 Tractor w/ D206 engine
International 595 Tractor w/ D206 engine
International TD-7 Crawler Late w/ D206 engine
International 275 Windrower w/ D206 engine
International 3500A Tractor gear drive w/ D239 engine
International 260A Backhoe hydrostatic, Thru ESN 653713 w/ D239 engine
International 3500A Tractor hydrostatic, Thru ESN 182012 w/ D239 engine
International 260A Backhoe torque convertor, Thru ESN 706836 w/ D239 engine
International 5000 Windrower w/ D239 engine
International 664 Tractor w/ D239 engine
International 684 Tractor Early, Thru ESN D475097 w/ D239 engine
International 3514 Tractor w/ D239 engine
International 2514B Tractor w/ D239 engine
International 2500B Tractor w/ D239 engine
International 674 Tractor w/ D239 engine
International 3500A Tractor gear drive w/ D239 engine
International 5500 Windrower Thru ESN D021186 w/ D239 engine
International 3500A Tractor hydrostatic After ESN182012 w/ D239 engine
International 4000 Windrower w/ D239 engine
International 2544 Tractor w/ D239 engine
International 250A Backhoe torque convertor, Thru ESN 700611 w/ D239 engine
International 2500 Tractor gear drive, After ESN D103203 w/ D239 engine
International 2510B Tractor w/ D239 engine
International TD-7E Crawler Thru ESN 53692 w/ D239 engine
International 4000 Windrower w/ D239 engine
International 100E Wheel Loader After ESN 53692 w/ D239 engine
International 5500 Windrower After ESN D021186 w/ D239 engine
International 2500B Tractor w/ D239 engine
International 3514 Tractor w/ D239 engine
International 2510B Tractor w/ D239 engine
International 250A Backhoe gear drive, Thru ESN 640235 w/ D239 engine
International 260A Backhoe hydrostatic, After ESN 653713 w/ D239 engine
International 2514B Tractor w/ D239 engine
International 250A Backhoe hydrostatic, Thru ESN 646361 w/ D239 engine
International 250A Backhoe gear drive, After ESN 640235 w/ D239 engine
International 685 Tractor w/out cab Thru ESN D679081 w/ D239 engine
International 2500A Tractor Late w/ D239 engine
International 260A Backhoe torque convertor, After ESN 706836 w/ D239 engine
International 574 Tractor w/ D239 engine
International 684 Tractor After ESN D475097 w/ D239 engine
International 2505B Tractor w/ D239 engine
International 250A Backhoe hydrostatic,After ESN 646361 w/ D239 engine
International 250A Backhoe torque convertor, After ESN 700611 w/ D239 engine
International TD-7E Crawler After ESN 53692 w/ D239 engine
International TD-8C Crawler w/ D239 engine
International 2500 Tractor gear drive, Thru ESN D103203 w/ D239 engine
International 685 Tractor w/ cab Thru ESN D484939 w/ D239 engine
International 574 Tractor w/ D239 engine
International 2500A Tractor w/ D239 engine
International 2500 Tractor hydrostatic w/ D239 engine
International 125 Wheel Loader w/ D239 engine
International 100E Wheel Loader Thru ESN 53692 w/ D239 engine
International 125C Wheel Loader w/ D239 engine
International 544 Tractor w/ D239 engine
International 5000 Windrower w/ D239 engine
International 514 Tractor w/ D239 engine
International 2544 Tractor w/ D239 engine
International 574 Tractor w/ D239 engine
International 2505B Tractor w/ D239 engine
International 756 Tractor w/ D310 engine
International 9000 Forklift Early w/ D310 engine
International S9A Logger Early w/ D310 engine
International 715 Combine Late, Thru ESN D074602 w/ D310 engine
International 782 Cotton Picker Early Thru ESN D076781 w/ D310 engine
International 706 Tractor Late w/ D310 engine
International 622 Cotton Picker w/ D310 engine
International 686 Tractor Thru ESN D082106 w/ D310 engine
International 2706 Tractor Late w/ D310 engine
International Hydro 86 Tractor Thru ESN D095615 w/ D310 engine
International 95 Cotton Harvester After ESN D066094 w/ D310 engine
International 2756 Tractor w/ D310 engine
International 95 Cotton Harvester Thru ESN D066094 w/ D310 engine
International 616 Cotton Picker w/ D310 engine
International 9000 Forklift Late w/ D310 engine
International 782 Cotton Picker Early After ESN D076781 w/ D310 engine
International Hydro 86 Tractor After ESN D095615 w/ D310 engine
International S9A Logger Late w/ D310 engine
International 715 Combine After ESN D074602 w/ D310 engine
International 686 Tractor After ESN D082106 w/ D310 engine
Case (Case IH) 380B Tractor w/ D179 engine
International 454 Tractor w/ D179 engine
International 4500 Forklift w/ D179 engine
International 2400A Tractor w/ D179 engine
Case (Case IH) 395 Tractor w/ D155 engine
International 385 Tractor w/ D155 engine
Case (Case IH) 395 Tractor w/ D155 engine
International 495 Tractor w/ D179 engine
International 385 Tractor w/ D155 engine
International 385 Tractor w/ D155 engine
International 484 Tractor Thru ESN D375917 w/ D179 engine
International 3220 Tractor w/ D179 engine
International 385 Tractor w/ D155 engine
International 485 Tractor w/ D179 engine
International 500C Crawler w/ D155 engine
International 500C Crawler w/ D155 engine
International 484 Tractor After ESN D375917 w/ D179 engine
International 553 Tractor w/ D179 engine
International 3400A Tractor w/ D179 engine
International 464 Tractor w/ D179 engine
International 520B Wheel Loader w/ D358 engine
International 1420 Combine w/ D358 engine
International 3288 Tractor Thru ESN 111090 w/ D358 engine
International 520B Wheel Loader w/ DT358 engine
International 3984 Excavator w/ DT358 engine
International 520B Wheel Loader w/ DT358 engine
International 782 Cotton Picker high drum: After 2123 w/ D358 engine
International 886 Tractor After 14471 After ESN D052399 w/ D358 engine
International 520B Wheel Loader w/ DT358 engine
International 782 Cotton Picker low drum: After 681 w/ D358 engine
International 1400 Cotton Harvester w/ D358 engine
International 3088 Tractor Thru ESN 121247 w/ D358 engine
International 3984 Excavator w/ DT358 engine
International 1620 Combine Thru JJC0032629 w/ D358 engine
International 3088 Tractor After ESN 121247 w/ D358 engine
International S8B Log Skidder w/ DT358 engine
International 3984 Excavator w/ DT358 engine
International 3984 Excavator w/ DT358 engine
International 826 Tractor w/ D358 engine
International 520B Wheel Loader w/ DT358 engine
International 640 Excavator w/ DT358 engine
International 3288
OEM Part Number Cross Reference(s): 30591R1, 933537R1

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.