Seal engine oil at the front of the crankshaft with the APEX Automobile Parts Inc Engine Crankshaft Seal Kit (ATC4040), a front crankshaft seal set that installs as a direct-fit replacement for the listed applications — from the 1991-1996 Ford Escort [L4-1.8L] to the 1999-2005 Mazda Miata [L4-1.8L].
The front crankshaft seal is a stationary lip seal: its body stays fixed while the sealing lip rides against the rotating crankshaft, holding oil in where the shaft exits the front of the engine. As the lip hardens and wears with age, oil can begin to seep past it. If a worn front crankshaft seal is the source of an oil leak, this set supplies the replacement seal.
- Front crankshaft seal set: replaces the oil seal at the front of the crankshaft.
- Stationary design: the seal body stays put while only the crankshaft rotates against the lip.
- One per application: the listed applications each use one (Quantity Per Application: 1).
Fits: 1991-1996 Ford Escort [L4-1.8L], 1991-1994 Mazda 323 [L4-1.6L], 1991-1993 Mazda Miata [L4-1.6L], 1994-1997 Mazda Miata [L4-1.8L], 1999-2005 Mazda Miata [L4-1.8L], 1991-1998 Mazda Protege [L4-1.8L], 1999-2001 Mazda Protege [L4-1.6L], 1992-1995 Mazda MX-3 [L4-1.6L], 1992-1993 Ford Festiva [L4-1.3L], 1994-1997 Ford Aspire [L4-1.3L], 1994-1995 Kia Sephia [L4-1.6L], 1991-1994 Mercury Capri [L4-1.6L], and 1991-1996 Mercury Tracer [L4-1.8L]. See the Buyer's Guide tab for the full list.
Manufacturer part number ATC4040.
Frequently Asked Questions
What is the APEX ATC4040?
It is an Engine Crankshaft Seal Kit — a front crankshaft seal set that replaces the oil seal at the front of the crankshaft.
What vehicles does it fit?
Listed applications include the 1991-1996 Ford Escort [L4-1.8L], 1991-1993 Mazda Miata [L4-1.6L], and 1991-1998 Mazda Protege [L4-1.8L]. See the Buyer's Guide tab for the full 13-application list.
What are the signs the front crankshaft seal may need replacing?
Oil seepage or leaks at the front of the engine can be a sign the seal lip has hardened or worn. Diagnose the source of the leak before replacing.
Does this seal rotate with the crankshaft?
No. The seal body stays stationary; only its lip contacts the rotating crankshaft to hold oil in at the front of the engine.
How many do I need?
The listed applications each use one (Quantity Per Application: 1). This listing supplies one front crankshaft seal set.
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