Dorman 555-016 Expansion Plug

In stock
SKU: 591|555016
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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 $16.03
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|555016
  • Barcode 19495555162

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
1992 Toyota Land Cruiser 2 Required; .938 In.
1991 Toyota Land Cruiser 2 Required; .938 In.
1990 Toyota Land Cruiser 2 Required; .938 In.
1989 Toyota Land Cruiser 2 Required; .938 In.
1988 Toyota Land Cruiser 2 Required; .938 In.
1987 Toyota Land Cruiser L6 4.2L (4227cc) 2 Required; .938 In.
1986 Toyota Land Cruiser L6 4.2L (4227cc) 2 Required; .938 In.
1985 Toyota Land Cruiser L6 4.2L (4227cc) 2 Required; .938 In.
1984 Toyota Land Cruiser L6 4.2L (4227cc) 2 Required; .938 In.
1983 Toyota Land Cruiser L6 4.2L (4227cc) 2 Required; .938 In.
1982 Toyota Land Cruiser L6 4.2L (4227cc) 2 Required; .938 In.
1981 Toyota Land Cruiser L6 4.2L (4227cc) 2 Required; .938 In.
1980 Toyota Land Cruiser 2 Required; .938 In.
1979 Toyota Land Cruiser 2 Required; .938 In.
1978 Toyota Land Cruiser 2 Required; .938 In.
1977 Toyota Land Cruiser 2 Required; .938 In.
1976 Toyota Land Cruiser 2 Required; .938 In.
1975 Toyota Land Cruiser 2 Required; .938 In.
1974 Toyota Land Cruiser 2 Required; .938 In.
1973 Toyota Land Cruiser 2 Required; .938 In.
1972 Toyota Land Cruiser 2 Required; .938 In.
1971 Toyota Land Cruiser 2 Required; .938 In.
1970 Toyota Land Cruiser 2 Required; .938 In.
1969 Toyota Land Cruiser 2 Required; .938 In.
1967 GMC C15/C1500 Pickup V6 305 5.0L (5012cc) 3 Required; .938 In.
1967 GMC C25/C2500 Pickup V6 305 5.0L (5012cc) 3 Required; .938 In.
1966 GMC K1000 Pickup 3 Required; .938 In.
1966 GMC Suburban V6 305 5.0L (5012cc) 3 Required; .938 In.
1965 GMC 1000 Series V6 305 5.0L (5012cc) 3 Required; .938 In.
1965 GMC 1500 Series V6 305 5.0L (5012cc) 3 Required; .938 In.
1965 GMC PB1500 Series V6 305 5.0L 3 Required; .938 In.
1965 GMC PB2500 Series V6 305 5.0L 3 Required; .938 In.
1964 GMC 1000 Series V6 305 5.0L (5012cc) 3 Required; .938 In.
1964 GMC 1500 Series V6 305 5.0L (5012cc) 3 Required; .938 In.
1963 GMC 1000 Series V6 305 5.0L (5012cc) 3 Required; .938 In.
1963 GMC 1500 Series V6 305 5.0L (5012cc) 3 Required; .938 In.
1963 GMC 2500 Series V6 305 5.0L (5012cc) 3 Required; .938 In.
1962 GMC 1000 Series V6 305 5.0L (5012cc) 3 Required; .938 In.
1962 GMC 1500 Series V6 305 5.0L (5012cc) 3 Required; .938 In.
1962 GMC 2500 Series V6 305 5.0L (5012cc) 3 Required; .938 In.
1962 GMC V3000 Forward Control V6 305 5.0L (5012cc) 3 Required; .938 In.
1961 GMC 1000 Series V6 305 5.0L (5012cc) 3 Required; .938 In.
1961 GMC 1500 Series V6 305 5.0L (5012cc) 3 Required; .938 In.
1961 GMC 2500 Series V6 305 5.0L (5012cc) 3 Required; .938 In.
1961 GMC V3000 Forward Control V6 305 5.0L (5012cc) 3 Required; .938 In.
1960 GMC Truck V6 305 5.0L (5012cc) 3 Required; .938 In.
1959 GMC PM151 V8 336 5.5L As Req; .938 In.
1959 GMC PM152 V8 336 5.5L As Req; .938 In.
1959 GMC PM153 V8 336 5.5L As Req; .938 In.
1959 GMC PM251 V8 336 5.5L As Req; .938 In.
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Product Specifications

Describe Type: Cup Type
Material: Steel
Maximum Diameter: 0.95 in
Minimum Diameter: 0.934 in
Package Contents: Expansion Plug
Package Quantity: 10
Brand: Dorman - AutoGrade - Boxed
Packaging Type: Box

OE Numbers

DIRECT OE CROSS
2381541 GENERAL MOTORS
2381542 GENERAL MOTORS
3788418 GENERAL MOTORS
518170 GENERAL MOTORS
90330-24013 TOYOTA
90344-54003 TOYOTA