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21676635 20747516 Idler Pulley for Volvo Penta TAD1242GE TWD1240VE TAD1251VE
$75.09
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$75.09
Regular price
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This Idler Pulley is a drive belt idler pulley compatible with Volvo Penta TAD1242GE, TWD1240VE, and TAD1251VE engines and matches OEM Part# 21676635, 20747516.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
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Product Overview
This idler pulley maintains proper belt tension and guides the serpentine or accessory drive belt on Volvo Penta marine and industrial diesel engines. Designed as a direct replacement for part numbers 21676635 and 20747516, this idler pulley ensures reliable operation of the alternator, water pump, and other belt-driven components. It is a critical component for maintaining engine timing and accessory drive performance.
Key Features & Performance
- Precision bearing for smooth rotation and long service life
- Hardened steel or composite pulley surface to resist wear
- Direct bolt-on replacement for Volvo Penta TAD and TWD engine series
- Matched to OEM dimensions for correct belt alignment
- Reduces belt noise and vibration
- Includes mounting bolt and washer where applicable
Fitment & Compatibility
- Volvo Penta TAD1242GE
- Volvo Penta TWD1240VE
- Volvo Penta TAD1251VE
Common Uses
- Replacement of worn or noisy idler pulleys on Volvo Penta marine engines
- Service during serpentine belt replacement on TAD and TWD series
- Maintenance of generator set engines using Volvo Penta TAD1242GE
- Repair of accessory drive systems in industrial and marine applications
Technical Specifications
- Part Number(s): 21676635, 20747516
- Type: Idler Pulley (non-tensioner)
- Bearing Type: Sealed ball bearing
- Outer Diameter: OEM specification
Frequently Asked Questions
Q: Is this idler pulley the same as a belt tensioner pulley? A: No, this is a fixed idler pulley that guides the belt and does not have a spring-loaded tensioning mechanism. It works in conjunction with a separate belt tensioner.
Q: Can I use this pulley on a Volvo Penta TAD1251VE? A: Yes, it is specifically listed as compatible with the TAD1251VE engine model.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.