Dorman 555-068 Expansion Plug

In stock
SKU: 591|555068
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price $19.13
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|555068
  • Barcode 19495555681

Product Description

This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

  • Direct replacement - this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution - this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction - this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience

Detailed Applications

Year Make Model Configuration Positions Application Notes
2005 Ford F-150 V6 256 4.2L As Req; 1.64 In.
2005 Ford Freestar V6 256 4.2L As Req; 1.64 In.
2005 Ford Lobo (Mexico) V6 256 4.2L As Req; 1.64 In.
2004 Ford F-150 Heritage V6 256 4.2L As Req; 1.64 In.
2004 Ford Freestar V6 256 4.2L As Req; 1.64 In.
2004 Ford Mustang V6 232 3.8L As Req; 1.64 In.
2003 Ford E-150 V6 256 4.2L As Req; 1.64 In.
2003 Ford E-150 Club Wagon V6 256 4.2L As Req; 1.64 In.
2003 Ford E-250 V6 256 4.2L As Req; 1.64 In.
2003 Ford F-150 V6 256 4.2L As Req; 1.64 In.
2003 Ford Lobo (Mexico) V6 256 4.2L As Req; 1.64 In.
2003 Ford Mustang V6 232 3.8L As Req; 1.64 In.
2003 Ford Windstar V6 232 3.8L As Req; 1.64 In.
2002 Ford E-150 Econoline V6 256 4.2L As Req; 1.64 In.
2002 Ford E-150 Econoline Club Wagon V6 256 4.2L As Req; 1.64 In.
2002 Ford E-250 Econoline V6 256 4.2L As Req; 1.64 In.
2002 Ford F-150 V6 256 4.2L As Req; 1.64 In.
2002 Ford Lobo (Mexico) V6 256 4.2L As Req; 1.64 In.
2002 Ford Mustang V6 232 3.8L As Req; 1.64 In.
2002 Ford Windstar V6 232 3.8L As Req; 1.64 In.
2001 Ford E-150 Econoline V6 256 4.2L As Req; 1.64 In.
2001 Ford E-150 Econoline Club Wagon V6 256 4.2L As Req; 1.64 In.
2001 Ford E-250 Econoline V6 256 4.2L As Req; 1.64 In.
2001 Ford F-150 V6 256 4.2L As Req; 1.64 In.
2001 Ford Lobo (Mexico) V6 256 4.2L As Req; 1.64 In.
2001 Ford Mustang V6 232 3.8L As Req; 1.64 In.
2001 Ford Windstar V6 232 3.8L As Req; 1.64 In.
2000 Ford E-150 Econoline V6 256 4.2L As Req; 1.64 In.
2000 Ford E-150 Econoline Club Wagon V6 256 4.2L As Req; 1.64 In.
2000 Ford E-250 Econoline V6 256 4.2L As Req; 1.64 In.
2000 Ford F-150 V6 256 4.2L As Req; 1.64 In.
2000 Ford Mustang V6 232 3.8L As Req; 1.64 In.
2000 Ford Windstar V6 232 3.8L As Req; 1.64 In.
1999 Ford E-150 Econoline V6 256 4.2L As Req; 1.64 In.
1999 Ford E-150 Econoline Club Wagon V6 256 4.2L As Req; 1.64 In.
1999 Ford E-250 Econoline V6 256 4.2L As Req; 1.64 In.
1999 Ford F-150 V6 256 4.2L As Req; 1.64 In.
1999 Ford Mustang V6 232 3.8L As Req; 1.64 In.
1999 Ford Windstar V6 232 3.8L As Req; 1.64 In.
1998 Ford E-150 Econoline V6 256 4.2L As Req; 1.64 In.
1998 Ford E-150 Econoline Club Wagon V6 256 4.2L As Req; 1.64 In.
1998 Ford E-250 Econoline V6 256 4.2L As Req; 1.64 In.
1998 Ford F-150 V6 256 4.2L As Req; 1.64 In.
1998 Ford Mustang V6 232 3.8L As Req; 1.64 In.
1998 Ford Windstar V6 232 3.8L As Req; 1.64 In.
1997 Ford E-150 Econoline V6 256 4.2L As Req; 1.64 In.
1997 Ford E-150 Econoline Club Wagon V6 256 4.2L As Req; 1.64 In.
1997 Ford E-250 Econoline V6 256 4.2L As Req; 1.64 In.
1997 Ford F-150 V6 256 4.2L As Req; 1.64 In.
1997 Ford Mustang V6 232 3.8L As Req; 1.64 In.
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Product Specifications

Describe Type: Cup Type
Material: Steel
Maximum Diameter: 1.647 in
Minimum Diameter: 1.635 in
Package Contents: Expansion Plug
Packaging Type: Box
Package Quantity: 10
Brand: Dorman - AutoGrade - Boxed

OE Numbers

DIRECT OE CROSS
2406356 CHRYSLER
70128-R1 NAVISTAR
75 88 338 SAAB
83 10 195 SAAB
83 47 999 SAAB
91 16 757 SAAB
C168628 JAGUAR
C5AZ 6026-A FORD MOTOR COMPANY
C5AZ 6026-E FORD MOTOR COMPANY
D0RY 6026-A FORD MOTOR COMPANY
D7AZ 6026-C FORD MOTOR COMPANY
D7AZ 6026-D FORD MOTOR COMPANY
E6DZ 6026-C FORD MOTOR COMPANY