Starter Glow Plug Relay for Volvo Penta D1 D2 Replaces 21400091
RM21400091
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Volvo Penta Relay 21400091
Premium Replacement for Starter & Glow Plug Systems
This RecMar premium aftermarket relay is a direct replacement for the Volvo Penta 21400091. Specifically engineered for marine environments, this 12V relay is frequently used in the electrical harnesses of the D1 and D2 engine series to control either the starter solenoid or the glow plug heating elements.
Key Features
- ✔ Direct fit for Volvo Penta D1/D2 engines
- ✔ Dual use (Starter or Glow Plug control)
- ✔ High-grade copper internal contacts
- ✔ Robust vibration-resistant housing
Technical Specs
| Voltage: | 12V DC |
| Current Rating: | 20/30 Amp |
| Terminals: | Standard Pin Configuration |
| Weight: | Approx. 38g |
Compatibility / Fitment Guide
| Engine Series | Specific Models | Usage |
|---|---|---|
| Volvo Penta D1 | D1-13, D1-20, D1-30 (A/B/F variants) | Starter/Glow |
| Volvo Penta D2 | D2-40, D2-50F, D2-55, D2-60F, D2-75 | Starter/Glow |
| Volvo Penta MD | MD2010, MD2020, MD2030, MD2040 | Starter/Glow |
| TAMD / D3+ | TAMD63, TAMD73, TAMD74, D3 Series | Various Circuits |
OEM Cross Reference
| Volvo Penta: | 21400091, 873765, 873604, 3171420, 841177 |
| RecMar: | RM21400091, REC21400091 |
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part manufactured by RecMar to meet or exceed original equipment (OE) standards for fitment and marine reliability.
How do I know if it is compatible?
We recommend checking the SKU/MPN and Cross Reference list provided above. If your original relay has the number 21400091 or 873765 stamped on it, this is the correct part.
Can this relay be used for both the starter and the glow plugs?
Yes, on many Volvo Penta D1 and D2 diesel engines, the same relay part number is used for both the starter solenoid activation and the glow plug heating circuit. Many owners keep a spare onboard for this reason.
Note: Please verify your original part number against the references above before purchasing. All technical data is provided for informational purposes based on current manufacturer specifications.
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