Four Seasons Accessory Drive Belt Idler Pulley P/N:45909
Keep your accessory drive belt properly tensioned with the Four Seasons Accessory Drive Belt Idler Pulley Eccentric Cam (Eccentric Arm), MPN 45913. This eccentric arm lets you rotate the idler pulley off its center to set and hold belt position, so a worn or seized original that can no longer maintain tension can be replaced. It installs as a direct-fit replacement for the listed applications, including the 1972-1974 American Motors Gremlin, the 1973-1978 American Motors Matador, and the 1980-1984 Plymouth Colt.
Fitment: 1972-1974 American Motors Gremlin (V8-5.0L); 1973-1974 American Motors Ambassador and Javelin (V8-5.0L, V8-5.9L, V8-6.6L); 1973-1978 American Motors Matador (L6-4.2L, V8-5.0L, V8-5.9L, V8-6.6L); 1980-1984 Dodge Colt (L4-1.4L); 1980-1982 Plymouth Arrow Pickup (L4-2.0L, L4-2.6L); 1980-1982 Plymouth Champ (L4-1.4L, L4-1.6L); 1980-1984 Plymouth Colt (L4-1.4L, L4-1.6L, L4-2.0L, L4-2.6L). See the Buyer's Guide tab for the full list.
Interchange: 1573670 · 8121953 · 209746 · 32203 · 4205159 · PI128 · 11145913 · 934052 · 19145149 · 19190121 · 906044 · 1407015 · 370086 · 5648 · A79746 · 470239 · 236128 · 185150 · EC0005 · EC0005C. Manufacturer part number 45913.
This part cross-references / interchanges with the following part numbers:
What does this eccentric cam do?
It is the offset eccentric arm for the accessory drive belt idler pulley. Rotating it repositions the idler off its center, which is how belt tension is set and held.
What vehicles does MPN 45913 fit?
It is a direct-fit replacement for the listed applications, including the 1972-1974 American Motors Gremlin, 1973-1978 American Motors Matador, and 1980-1984 Plymouth Colt. See the Buyer's Guide tab for the complete list.
What is it made of?
Steel construction, per the manufacturer facts.
What are signs this part may need replacing?
If the eccentric arm is seized or worn so belt tension can no longer be set or held, or the belt slips or squeals, replacing this part addresses that if the eccentric cam is the cause.
How many are needed per vehicle?
The listed applications use one per vehicle (Quantity Per Application: 1). Confirm the correct quantity for your engine in the Buyer's Guide.
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.