In StockTensioner 3979979 20935521 21422765 for Volvo FM7 FM9 FH13 FM13 B9S B9TL B10L B12B B12M
For VolvoBelt Tensioner

Belt Tensioner 3979979 for Volvo

OEM / REF: 3979979SKU: pilotpart184785

Tensioner 3979979 20935521 21422765 for Volvo FM7 FM9 FH13 FM13 B9S B9TL B10L B12B B12M is a Belt Tensioner replacement part indexed for Part Number and Volvo CE: A25D, A25E, A30D, A30E, A35F, EC340D, EC380D, EC480D, FB2800C, FBR2800C, G900 Models, L150E, L150G, L180G, L220G, L250G, PL4809D Volvo Trucks & Bus: FM7,...

Stock
In stock
Condition
New
Fitment
Volvo Engine Spare Parts
  • Fitment support before you order
  • Worldwide delivery options

Belt Tensioner Description

This Belt Tensioner is indexed for Part Number; Volvo CE: A25D, A25E, A30D, A30E, A35F, EC340D, EC380D, EC480D, FB2800C, FBR2800C, G900 Models, L150E, L150G, L180G, L220G, L250G, PL4809D Volvo Trucks & Bus: FM7, FM9, FH13, FM13, B9S, B9TL, B10L, B12B, B12M Volvo PENTA: TAD1340VE, TAD1341VE, TAD1342VE, TAD1343VE, TAD1344VE, TAD1345VE, TAD1360VE, TAD1361VE, TAD1362VE, TAD1363VE, TAD1364VE, TAD1365VE, TAD940GE, TAD941GE, TAD940VE, TAD941VE, TAD942VE, TAD943VE, TAD950VE, TAD951VE, TAD952VE, TAD1341GE, TAD1342GE, TAD1343GE, TAD1344GE, TAD1345GE, TAD1350GE, TAD1351GE, TAD1352GE, TAD1353GE, TAD1354GE, TAD1355GE, D9A2A D9A-MG, D11A-A, D11A-B, D11A-C, D11A-D Volv Articulated Haulers: DA25D, DA30D. Compare reference number 3979979 against the label on your existing Volvo component before ordering.

Additional cross references on file: 20935521, 21422765, 20739751. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Part Number
  • Volvo CE: A25D, A25E, A30D, A30E, A35F, EC340D, EC380D, EC480D, FB2800C, FBR2800C, G900 Models, L150E, L150G, L180G, L220G, L250G, PL4809D Volvo Trucks & Bus: FM7, FM9, FH13, FM13, B9S, B9TL, B10L, B12B, B12M Volvo PENTA: TAD1340VE, TAD1341VE, TAD1342VE, TAD1343VE, TAD1344VE, TAD1345VE, TAD1360VE, TAD1361VE, TAD1362VE, TAD1363VE, TAD1364VE, TAD1365VE, TAD940GE, TAD941GE, TAD940VE, TAD941VE, TAD942VE, TAD943VE, TAD950VE, TAD951VE, TAD952VE, TAD1341GE, TAD1342GE, TAD1343GE, TAD1344GE, TAD1345GE, TAD1350GE, TAD1351GE, TAD1352GE, TAD1353GE, TAD1354GE, TAD1355GE, D9A2A D9A-MG, D11A-A, D11A-B, D11A-C, D11A-D Volv Articulated Haulers: DA25D, DA30D

Specifications

Part Number3979979, 20935521, 21422765, 20739751, 21819687

Fitment Notes

Brand or application signal
Volvo Engine Spare Parts
Product family
Belt Tensioner
System category
Engine Spare Parts > Belt Drive Systems > Belt Tensioner
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment

Send machine details before ordering high-risk parts.