978710 V-Belt | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta v-belt 1075 mm long, weighing 0.127 kg and listed for 30 applications across D, TAD and MD engines. It consolidates four earlier numbers — 20492542, 20496664, 20580723 and 967114 — into this one part. The 1075 mm length is what separates it from belt 978716 at 1100 mm, which is published only 2 g heavier.

🚤 Compatibility

• Engine Family: D, TAD, MD
• HP Range: 50-75 HP

Full model list at the end of this description.

⚙️ Key Features

• 1075 mm long
• Fits 30 applications across D, TAD and MD engines
• 0.127 kg
• Replaces 20492542, 20496664, 20580723 and 967114
• L=1075mm (Volvo assembly listing)
• Also supersedes Volvo part number 3580583

🔌 Function

Carries drive from the crankshaft pulley to an engine-driven accessory such as the alternator or a circulation pump.

⚠️ Common Signs of Failure

• Squealing from the front of the engine on start-up or under load
• Charge warning light flickering, or the alternator falling behind
• Cracks across the back of the belt, or glazed and shiny flanks
• Black belt dust building up under the pulleys
• Belt turned over in the groove or thrown off the pulley

🛠️ Service Notes

• Belt 978716 is 25 mm longer at 1100 mm but only 2 g heavier — order by the length, never by weight
• Four earlier numbers now come through as this one belt, so a single order covers whichever your list quotes

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 978710 → Supersedes 20492542

OEM / Related Numbers

• 20580723 earlier number superseded by this part
• 967114 earlier number superseded by this part
• 20492542 earlier number superseded by this part

Other-Brand OEM Numbers

• Dayco: 13A1077C
• Gates: 6567EXL

Aftermarket / Verified Equivalents

• Hutchinson: AV13La1063TK
• Optibelt: AVX13x1060TM
• Flennor: A5456
• Ashika: 109-13X1065
• Japanparts: DT-13X1065LA

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D2-55, D2-55B, D2-55C, D2-55D, D2-55E, D2-55F, D2-50F, D2-75, D2-75B, D2-75C
• Volvo Penta MD2010, MD2010B, MD2010-C, MD2010-D
• Volvo Penta MD2020, MD2020B, MD2020-C, MD2020-D
• Volvo Penta MD2030, MD2030B, MD2030-C, MD2030-D
• Volvo Penta MD2040, MD2040B, MD2040-C, MD2040-D
• Volvo Penta TAD520VE
• Volvo Penta TAD720VE
• Volvo Penta TAD721VE
• Volvo Penta TAD722VE