OE Quality 60-Day Returns

SKF 31506 Engine Crankshaft Seal - Rear

Brand	SKF 31506
Position	Rear
Fits	Hyundai, Kia, Dodge, Eagle, Mitsubishi, Plymouth, Chrysler, Mazda, and Ford · 222 vehicles

Nitrile sealing surface. Helps keep lubricants in and contaminants out.

Engine crankshaft seal. A sealing component for the engine's crankshaft.

SKF seal design. Built from premium materials and proven bonding techniques.

Cross-references 21443-32000, 145831506 and 975931506 for the same application. See all 6.

$40.62Free shipping

In stock · usually ships same day before 1pm CST

Step 1 — Confirm fitment

Free return shipping if it doesn't fit when you check fitment here first.

Confirm position

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

Step 2 — Quantity

Free shipping to the continental U.S.

Free returns within 60 days if it doesn't fit when fitment is verified.

Not what you need? See all Engine Crankshaft Seal options

SKF Rear Crankshaft Seal 31506

SKF 31506 is a rear engine crankshaft seal built for applications that need reliable oil control at the crankshaft. It uses a nitrile sealing surface and precise dimensions to help maintain a proper seal in a wide range of Hyundai, Kia, Mitsubishi, Dodge, and related rear-seal applications.

For shoppers searching for a rear crankshaft seal for Hyundai Elantra, Hyundai Tucson, Kia Spectra, or Mitsubishi Eclipse, SKF 31506 provides an OE-style sealing solution with application-specific sizing. The SKF 31506 part number is also commonly referenced in cross-checks for the same rear main seal application.

Key Features

Rear engine crankshaft seal for sealed oil retention at the crankshaft
Nitrile sealing surface type for dependable contact and fluid control
Outside diameter: 3.791 in.
Shaft diameter: 3.150 in.
Width: 0.354 in.
Engineered to SKF dimensional and material standards
Cross-reference example: Monroe Shocks & Struts 172286, 182286

Detailed Description

SKF 31506 is designed for rear crankshaft sealing in a broad range of import and domestic vehicles, including Hyundai Elantra, Hyundai Tucson, Kia Spectra, and Mitsubishi Eclipse applications. The seal’s nitrile sealing surface is selected for the demands of engine oil sealing, while the specified width, outside diameter, and shaft diameter help support a correct fit in the intended rear seal location. SKF has a long history in shaft seal development, and this part reflects that focus on material selection and precise manufacturing.

Compatible With rear crankshaft seal applications across 1971-2012 vehicles listed in the fitment data, including rear seal service on Hyundai Elantra, Kia Soul, and Mitsubishi Galant platforms. The SKF 31506 part number is a direct reference for buyers comparing OE-style replacement seals by size and application.

What It Helps Address

Engine oil leaking from the rear crankshaft seal area
Oil residue collecting between the engine and transmission
Seal wear from age, heat, and crankshaft movement
Loss of crankcase oil control at the rear main seal location
Service replacement for a damaged or hardened rear seal

Installation Notes and Tips

Confirm shaft diameter, outside diameter, and width before installation to match the engine’s rear seal bore and crankshaft journal. Clean the sealing surface thoroughly and inspect the crankshaft for grooves, scoring, or contamination that could affect sealing performance. Follow the vehicle service procedure for seal orientation and seating depth, and verify the rear main seal area is dry after assembly.

Fits 1992-2012 Hyundai Elantra, Rear
Fits 2010-2011 Kia Soul, Rear
Fits 2005-2009 Hyundai Tucson, Rear
Fits 2004-2009 Kia Spectra, Rear
Fits 2003-2008 Hyundai Tiburon, Rear
Fits 1997-2001 Hyundai Tiburon, Rear
Fits 1995-1998 Hyundai Sonata, Rear
Fits 1990-1992 Mitsubishi Eclipse, Rear
Fits 1989-1992 Mitsubishi Galant, Rear
Fits 1987-1989 Chrysler Conquest, Rear
Fits 1985-1987 Ford Ranger, Rear
Fits 1981-1985 Dodge Aries, Rear

Quality Assurance

SKF manufactures seals to specific designs using premium materials and controlled production standards. The brand’s sealing expertise is rooted in decades of shaft seal development, with a focus on long service life and dependable fluid containment in engine applications.

This part fits 222 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Fuel Type	Position	Notes
2012	Hyundai	Elantra	2.0L	L4	—	Rear	—
2011	Hyundai	Elantra	2.0L	L4	—	Rear	—
2011	Kia	Soul	2.0L	L4	—	Rear	—
2010	Hyundai	Elantra	—	—	—	Rear	—
2010	Kia	Soul	2.0L	L4	—	Rear	—
2009	Hyundai	Elantra	—	—	—	Rear	—
2009	Hyundai	Tucson	2.0L	L4	—	Rear	—
2009	Kia	Spectra	2.0L	L4	—	Rear	—
2008	Hyundai	Elantra	—	—	—	Rear	—
2008	Hyundai	Tiburon	2.0L	L4	—	Rear	—
2008	Hyundai	Tucson	2.0L	L4	—	Rear	—
2008	Kia	Spectra	2.0L	L4	—	Rear	—
2007	Hyundai	Elantra	—	—	—	Rear	—
2007	Hyundai	Tiburon	2.0L	L4	—	Rear	—
2007	Hyundai	Tucson	2.0L	L4	—	Rear	—
2007	Kia	Spectra	2.0L	L4	—	Rear	—
2006	Hyundai	Elantra	—	—	—	Rear	—
2006	Hyundai	Tiburon	2.0L	L4	—	Rear	—
2006	Hyundai	Tucson	2.0L	L4	—	Rear	—
2006	Kia	Spectra	2.0L	L4	—	Rear	—
2005	Hyundai	Elantra	—	—	—	Rear	—
2005	Hyundai	Tiburon	2.0L	L4	—	Rear	—
2005	Hyundai	Tucson	2.0L	L4	—	Rear	—
2005	Kia	Spectra	2.0L	L4	—	Rear	—
2004	Hyundai	Elantra	—	—	—	Rear	—
2004	Hyundai	Tiburon	2.0L	L4	—	Rear	—
2004	Kia	Spectra	2.0L	L4	—	Rear	—
2003	Hyundai	Elantra	—	—	—	Rear	—
2003	Hyundai	Tiburon	2.0L	L4	—	Rear	—
2002	Hyundai	Elantra	—	—	—	Rear	—
2001	Hyundai	Elantra	—	—	—	Rear	—
2001	Hyundai	Tiburon	—	—	—	Rear	—
2000	Hyundai	Elantra	—	—	—	Rear	—
2000	Hyundai	Tiburon	—	—	—	Rear	—
1999	Hyundai	Elantra	—	—	—	Rear	—
1999	Hyundai	Tiburon	—	—	—	Rear	—
1998	Hyundai	Elantra	—	—	—	Rear	—
1998	Hyundai	Sonata	2.0L	L4	—	Rear	—
1998	Hyundai	Tiburon	2.0L	L4	—	Rear	—
1997	Hyundai	Elantra	—	—	—	Rear	—
1997	Hyundai	Sonata	2.0L	L4	—	Rear	—
1997	Hyundai	Tiburon	2.0L	L4	—	Rear	—
1997	Hyundai	Tiburon	1.8L	L4	—	Rear	—
1996	Hyundai	Elantra	—	—	—	Rear	—
1996	Hyundai	Sonata	2.0L	L4	—	Rear	—
1995	Hyundai	Elantra	—	—	—	Rear	—
1995	Hyundai	Sonata	2.0L	L4	—	Rear	—
1994	Hyundai	Elantra	—	—	—	Rear	—
1993	Dodge	Ram 50	2.4L	L4	—	Rear	—
1993	Hyundai	Elantra	—	—	—	Rear	—
1992	Dodge	Ram 50	2.4L	L4	—	Rear	—
1992	Hyundai	Elantra	—	—	—	Rear	—
1992	Mitsubishi	Eclipse	2.0L	L4	—	Rear	—
1992	Mitsubishi	Expo	2.4L	L4	—	Rear	Thru 5/92
1992	Mitsubishi	Galant	2.0L	L4	—	Rear	—
1992	Mitsubishi	Mighty Max	2.4L	L4	GAS	Rear	Thru 5/92
1992	Mitsubishi	Mirage	1.6L	L4	—	Rear	—
1991	Dodge	Colt	2.0L	L4	—	Rear	—
1991	Dodge	Ram 50	2.4L	L4	—	Rear	—
1991	Mitsubishi	Eclipse	2.0L	L4	—	Rear	—
1991	Mitsubishi	Galant	2.0L	L4	—	Rear	—
1991	Mitsubishi	Mighty Max	2.4L	L4	GAS	Rear	—
1991	Mitsubishi	Mirage	1.6L	L4	—	Rear	—
1991	Plymouth	Laser	—	—	—	Rear	—
1990	Dodge	Colt	2.0L	L4	—	Rear	—
1990	Dodge	Colt	—	—	—	Rear	—
1990	Dodge	Colt	1.6L	L4	—	Rear	—
1990	Dodge	Ram 50	2.4L	L4	—	Rear	—
1990	Mitsubishi	Eclipse	2.0L	L4	—	Rear	—
1990	Mitsubishi	Galant	2.0L	L4	—	Rear	—
1990	Mitsubishi	Mighty Max	2.4L	L4	GAS	Rear	—
1990	Mitsubishi	Van	2.4L	L4	—	Rear	—
1990	Plymouth	Laser	—	—	—	Rear	—
1989	Chrysler	Conquest	2.6L	L4	—	Rear	—
1989	Dodge	Colt	—	—	—	Rear	—
1989	Dodge	Colt	1.6L	L4	—	Rear	—
1989	Dodge	Colt	2.0L	L4	—	Rear	—
1989	Dodge	Raider	2.6L	L4	—	Rear	—
1989	Dodge	Ram 50	2.6L	L4	—	Rear	—
1989	Dodge	Ram 50	—	—	—	Rear	—
1989	Mitsubishi	Galant	2.0L	L4	—	Rear	—
1989	Mitsubishi	Mighty Max	2.6L	L4	GAS	Rear	—
1989	Mitsubishi	Mighty Max	2.0L	L4	GAS	Rear	—
1989	Mitsubishi	Starion	2.6L	L4	—	Rear	—
1989	Mitsubishi	Van	2.4L	L4	—	Rear	—
1988	Chrysler	Conquest	2.6L	L4	—	Rear	—
1988	Dodge	Colt	2.0L	L4	—	Rear	—
1988	Dodge	Raider	2.6L	L4	—	Rear	—
1988	Dodge	Ram 50	2.6L	L4	—	Rear	—
1988	Dodge	Ram 50	—	—	—	Rear	—
1988	Mazda	B2600	—	—	—	Rear	—
1988	Mitsubishi	Cordia	2.0L	L4	—	Rear	—
1988	Mitsubishi	Cordia	1.8L	L4	—	Rear	—
1988	Mitsubishi	Mighty Max	2.6L	L4	GAS	Rear	—
1988	Mitsubishi	Mighty Max	2.0L	L4	GAS	Rear	—
1988	Mitsubishi	Starion	2.6L	L4	—	Rear	—
1988	Mitsubishi	Tredia	2.0L	L4	—	Rear	—
1988	Mitsubishi	Tredia	1.8L	L4	—	Rear	—
1988	Mitsubishi	Van	2.4L	L4	—	Rear	—
1987	Chrysler	Conquest	2.6L	L4	—	Rear	—
1987	Dodge	Caravan	2.6L	L4	—	Rear	—
1987	Dodge	Colt	2.0L	L4	—	Rear	—
1987	Dodge	Raider	2.6L	L4	—	Rear	—
1987	Dodge	Ram 50	2.6L	L4	—	Rear	—
1987	Dodge	Ram 50	—	—	—	Rear	—
1987	Ford	Ranger	2.3L	L4	DIESEL	Rear	—
1987	Mazda	B2600	—	—	—	Rear	—
1987	Mitsubishi	Cordia	2.0L	L4	—	Rear	—
1987	Mitsubishi	Cordia	1.8L	L4	—	Rear	—
1987	Mitsubishi	Mighty Max	2.6L	L4	GAS	Rear	—
1987	Mitsubishi	Mighty Max	2.0L	L4	GAS	Rear	—
1987	Mitsubishi	Starion	2.6L	L4	—	Rear	—
1987	Mitsubishi	Tredia	2.0L	L4	—	Rear	—
1987	Mitsubishi	Tredia	1.8L	L4	—	Rear	—
1987	Mitsubishi	Van	2.4L	L4	—	Rear	—
1987	Plymouth	Voyager	2.6L	L4	—	Rear	—
1986	Dodge	Caravan	2.6L	L4	—	Rear	—
1986	Dodge	Colt	2.0L	L4	—	Rear	—
1986	Dodge	Conquest	2.6L	L4	—	Rear	—
1986	Dodge	Ram 50	2.6L	L4	—	Rear	—
1986	Dodge	Ram 50	—	—	—	Rear	—
1986	Ford	Ranger	2.3L	L4	DIESEL	Rear	—
1986	Mitsubishi	Cordia	2.0L	L4	—	Rear	—
1986	Mitsubishi	Cordia	1.8L	L4	—	Rear	—
1986	Mitsubishi	Mighty Max	2.6L	L4	GAS	Rear	—
1986	Mitsubishi	Mighty Max	2.0L	L4	GAS	Rear	—
1986	Mitsubishi	Starion	2.6L	L4	—	Rear	—
1986	Mitsubishi	Tredia	2.0L	L4	—	Rear	—
1986	Mitsubishi	Tredia	1.8L	L4	—	Rear	—
1986	Plymouth	Voyager	2.6L	L4	—	Rear	—
1985	Chrysler	LeBaron	2.6L	L4	—	Rear	—
1985	Chrysler	New Yorker	2.6L	L4	—	Rear	—
1985	Chrysler	Town & Country	2.6L	L4	—	Rear	—
1985	Dodge	600	2.6L	L4	—	Rear	—
1985	Dodge	Aries	2.6L	L4	—	Rear	—
1985	Dodge	Caravan	2.6L	L4	—	Rear	—
1985	Dodge	Colt	2.0L	L4	—	Rear	—
1985	Dodge	Conquest	2.6L	L4	—	Rear	—
1985	Dodge	Ram 50	2.6L	L4	—	Rear	—
1985	Dodge	Ram 50	—	—	—	Rear	—
1985	Dodge	Ram 50	2.3L	L4	DIESEL	Rear	—
1985	Ford	Ranger	2.3L	L4	DIESEL	Rear	—
1985	Mitsubishi	Cordia	2.0L	L4	—	Rear	—
1985	Mitsubishi	Cordia	1.8L	L4	—	Rear	—
1985	Mitsubishi	Mighty Max	2.6L	L4	GAS	Rear	—
1985	Mitsubishi	Mighty Max	2.0L	L4	GAS	Rear	—
1985	Mitsubishi	Starion	2.6L	L4	—	Rear	—
1985	Mitsubishi	Tredia	2.0L	L4	—	Rear	—
1985	Mitsubishi	Tredia	1.8L	L4	—	Rear	—
1985	Plymouth	Reliant	2.6L	L4	—	Rear	—
1985	Plymouth	Voyager	2.6L	L4	—	Rear	—
1984	Chrysler	LeBaron	2.6L	L4	—	Rear	—
1984	Chrysler	New Yorker	2.6L	L4	—	Rear	—
1984	Chrysler	Town & Country	2.6L	L4	—	Rear	—
1984	Dodge	600	2.6L	L4	—	Rear	—
1984	Dodge	Aries	2.6L	L4	—	Rear	—
1984	Dodge	Caravan	2.6L	L4	—	Rear	—
1984	Dodge	Colt	—	—	—	Rear	—
1984	Dodge	Conquest	2.6L	L4	—	Rear	—
1984	Dodge	Ram 50	2.6L	L4	—	Rear	—
1984	Dodge	Ram 50	—	—	—	Rear	—
1984	Dodge	Ram 50	2.3L	L4	DIESEL	Rear	—
1984	Mitsubishi	Cordia	2.0L	L4	—	Rear	—
1984	Mitsubishi	Cordia	1.8L	L4	—	Rear	—
1984	Mitsubishi	Mighty Max	2.6L	L4	GAS	Rear	—
1984	Mitsubishi	Mighty Max	2.0L	L4	GAS	Rear	—
1984	Mitsubishi	Starion	2.6L	L4	—	Rear	—
1984	Mitsubishi	Tredia	2.0L	L4	—	Rear	—
1984	Mitsubishi	Tredia	1.8L	L4	—	Rear	—
1984	Plymouth	Reliant	2.6L	L4	—	Rear	—
1984	Plymouth	Voyager	2.6L	L4	—	Rear	—
1983	Chrysler	LeBaron	2.6L	L4	—	Rear	—
1983	Chrysler	New Yorker	2.6L	L4	—	Rear	—
1983	Chrysler	Town & Country	2.6L	L4	—	Rear	—
1983	Dodge	600	2.6L	L4	—	Rear	—
1983	Dodge	Aries	2.6L	L4	—	Rear	—
1983	Dodge	Challenger	2.6L	L4	—	Rear	—
1983	Dodge	Ram 50	2.6L	L4	—	Rear	—
1983	Dodge	Ram 50	2.0L	L4	—	Rear	—
1983	Dodge	Ram 50	2.3L	L4	DIESEL	Rear	—
1983	Mitsubishi	Cordia	1.8L	L4	—	Rear	—
1983	Mitsubishi	Mighty Max	2.6L	L4	GAS	Rear	—
1983	Mitsubishi	Mighty Max	2.0L	L4	GAS	Rear	—
1983	Mitsubishi	Starion	2.6L	L4	—	Rear	—
1983	Mitsubishi	Tredia	1.8L	L4	—	Rear	—
1983	Plymouth	Reliant	2.6L	L4	—	Rear	—
1983	Plymouth	Reliant	—	—	—	Rear	—
1982	Chrysler	LeBaron	2.6L	L4	—	Rear	—
1982	Chrysler	Town & Country	2.6L	L4	—	Rear	—
1982	Dodge	Aries	2.6L	L4	—	Rear	—
1982	Dodge	Challenger	2.6L	L4	—	Rear	—
1982	Dodge	D50	2.6L	L4	—	Rear	—
1982	Dodge	D50	2.0L	L4	—	Rear	—
1982	Plymouth	Reliant	2.6L	L4	—	Rear	—
1982	Plymouth	Reliant	—	—	—	Rear	—
1981	Dodge	Aries	2.6L	L4	—	Rear	—
1981	Dodge	Challenger	2.6L	L4	—	Rear	—
1981	Dodge	D50	2.6L	L4	—	Rear	—
1981	Dodge	D50	2.0L	L4	—	Rear	—
1981	Plymouth	Reliant	2.6L	L4	—	Rear	—
1980	Dodge	Challenger	2.6L	L4	—	Rear	—
1980	Dodge	Colt	2.6L	L4	—	Rear	—
1980	Dodge	D50	2.6L	L4	—	Rear	—
1980	Dodge	D50	—	—	—	Rear	—
1979	Dodge	Challenger	2.6L	L4	—	Rear	—
1979	Dodge	Colt	2.6L	L4	—	Rear	—
1979	Dodge	D50	2.6L	L4	—	Rear	—
1979	Dodge	D50	—	—	—	Rear	—
1978	Dodge	Challenger	2.6L	L4	—	Rear	—
1978	Dodge	Colt	2.6L	L4	—	Rear	—
1977	Dodge	Colt	—	—	—	Rear	—
1976	Dodge	Colt	—	—	—	Rear	—
1975	Dodge	Colt	—	—	—	Rear	—
1975	Dodge	Colt	1.6L	L4	—	Rear	—
1974	Dodge	Colt	—	—	—	Rear	—
1974	Dodge	Colt	1.6L	L4	—	Rear	—
1973	Dodge	Colt	—	—	—	Rear	—
1973	Dodge	Colt	1.6L	L4	—	Rear	—
1972	Dodge	Colt	—	—	—	Rear	—
1972	Dodge	Colt	1.6L	L4	—	Rear	—
1971	Dodge	Colt	—	—	—	Rear	—
1971	Dodge	Colt	1.6L	L4	—	Rear	—
No rows match your filter.

Directly replaces or cross-references 6 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

21443-32000145831506975931506AM01-11-399CHR 31506MD020240

Will it fit your vehicle?