Dorman Autograde Concave Steel Cup Expansion Plug 3/4 In with 0.750 In Height for International 1966-1980 550-007
Dorman Autograde Concave Steel Cup Expansion Plug 3/4 In with 0.750 In Height for International 1966-1980 550-007
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13 in stock
Shipping & returns
Shipping details
In-stock orders are processed within 48 hours; transit time is additional.
International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.
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Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.
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Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.
Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.
Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.
Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.
After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.
Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.
For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.
Specifications
Product details shared across all variants.
- Product type
- Engine Expansion Plug
- Category
- Motor Vehicle Engine Parts
- Item condition
- New
- Shipping dimensions (L × W × H)
- Shipping weight
- 1.0 lb
- Barcode
- 019495550075
Billable shipping weight; may include dimensional weight.
Concave steel cup expansion plug 3/4 inch with 0.750 inch height for International trucks 1966 to 1980 used to replace worn or leaking factory engine plugs.
Built to meet the manufacturer's design intent for reliable service. This engine expansion plug is constructed from quality steel materials and engineered to match the original part's fit and function for dependable performance.
Key Features
- Constructed from durable concave steel for long-lasting use
- Measures 3/4 inch in diameter with a 0.750 inch height
- Designed as a direct-fit replacement for specified vehicles
- Matches original equipment form fit and function
- Validated through testing to ensure reliability
- Compatible with Navistar and Pioneer part numbers
Benefits
- Restores engine integrity by sealing coolant leaks effectively
- Reduces the risk of repeat repairs with quality materials
- Ensures a smoother installation with precise OE matching
- Helps maintain proper engine operating temperatures
- Provides a trustworthy fix backed by over a century of experience
- Prevents potential engine damage from fluid loss
Application
Ideal for mechanics and vehicle owners repairing International trucks from model years 1966 through 1980. Commonly used during engine rebuilds or when addressing coolant leaks caused by corroded or failed factory expansion plugs.
Fitment Notes
- Fits International vehicles from years 1966 to 1980
- Replaces Navistar part numbers 109544R1 and 172531
- Direct replacement for Pioneer part number EP-3
Why Choose Dorman - Autograde?
- Dorman parts are engineered as direct-fit replacements designed to match OE form fit and function helping ensure a smoother installation and reliable results
What's in the Box
- 10 PC
Item Dimensions
- 3.2in x 2.4in x 1.5in 0.2lbs
