Seal the combustion chamber and help keep oil consumption in check with the MAHLE piston ring set 51489CP, a direct-fit replacement for many Mazda and Toyota four-cylinder engines. It fits many vehicles, among them the 1985-1995 Toyota 4Runner (L4-2.4L), 1985-1995 Toyota Pickup (L4-2.4L) and 1988 Toyota Van Wagon (L4-2.2L). Piston rings maintain cylinder compression, control the oil film on the bore walls, and help transfer heat from the piston to the cylinder. Worn rings can show up as rising oil consumption, blue exhaust smoke, and lost compression.
MAHLE builds this set for a 3.622 in bore diameter. It's supplied as a standard-grade set with one set per application.
Each listed application uses one set. See the Buyer's Guide tab for the full list of vehicles and to confirm your engine. Country of origin: Mexico.
Interchange: 4216 · E510X
This part cross-references / interchanges with the following part numbers:
Which vehicles does part 51489CP fit?
It fits many vehicles, among them the 1985-1995 Toyota 4Runner (L4-2.4L), 1985-1995 Toyota Pickup (L4-2.4L) and 1988 Toyota Van Wagon (L4-2.2L). See the Buyer's Guide tab for the full list.
What does an engine piston ring set do?
Piston rings seal the combustion chamber to maintain compression, control the oil film on the cylinder walls, and help transfer heat from the piston to the cylinder bore.
What are signs my piston rings may need replacing?
Increasing oil consumption, blue exhaust smoke, fouled spark plugs, and reduced compression can be signs worn rings need attention. Have the engine diagnosed to confirm the cause before replacing.
What bore diameter is this MAHLE ring set made for?
This set is built for a 3.622 in bore diameter. Check the Buyer's Guide tab to confirm it is listed for your engine.
How many ring sets do I need?
Each listed application uses one set (Quantity Per Application: 1). One set covers a single engine, so order one per engine you're rebuilding.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
