Four Seasons Accessory Drive Belt Idler Pulley Eccentric Cam P/N:45913

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$56.99
MPN: 45913
Item Package Quantity: 1
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Four Seasons Accessory Drive Belt Idler Pulley Eccentric Cam P/N:45913
Four Seasons Accessory Drive Belt Idler Pulley Eccentric Cam P/N:45913
$56.99

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.

  • Steel construction: built from steel for the belt-tensioning duty.
  • Meets OE specifications: engineered and tested to OE-level standards.
  • Eccentric (offset) arm design: the offset lets the idler pulley be repositioned to adjust belt tension.
  • Backed by Four Seasons: supported by decades of mobile A/C experience.

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:

1573670, 8121953, 209746, 32203, 4205159, 45913, PI128, 11145913, 934052, 19145149, 19190121, 906044, 1407015, 370086, 5648, A79746, 470239, 236128, 185150, EC0005, EC0005C

Frequently Asked Questions

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.