# 842900 Compression Spring | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta compression spring from the Engine Controls group, weighing 0.008 kg and listed for 38 applications across MD, TMD, D, TD, TAMD and TAD series engines. It carries a production build breakpoint in the source note, and it shares its 38-application list with spacer sleeve 842899 and handle 842903 in the same control assembly.

## 🚤 Compatibility

-   **Engine Family:** MD, TMD, D, TD, TAMD, TAD
-   **Serial Range:** MO-89883/238393

Full model list at the end of this description.

## ⚙️ Key Features

-   0.008 kg
-   38 applications across MD, TMD, D, TD, TAMD and TAD series engines
-   Part of the same control assembly as spacer sleeve 842899 and handle 842903

## 🔌 Function

Loads the control against its stop so the lever or plunger returns positively when released.

## ⚠️ Common Signs of Failure

-   Control no longer springs back cleanly when released
-   Lever or plunger feeling slack or lazy
-   Spring collapsed, shortened or with a broken coil
-   Coils rubbing, corroded or set to one side

## 🛠️ Service Notes

-   Compare the free length against the old spring, as a settled spring can look sound
-   Renew alongside spacer sleeve 842899 and handle 842903 if the assembly is worn

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta TAMD122A, TAMD122A/C, TAMD122D, TAMD122P-A, TAMD122P-B, TAMD122P-C
-   Volvo Penta TD120AHC, TD120ARC, TD120BHC, TD120BRC
-   Volvo Penta TAD120AHC, TAD120BHC, TAD120CHC
-   Volvo Penta TAMD162A, TAMD162C, TAMD162C-B
-   Volvo Penta TD100ARC, TD100CHC, TD100CRC
-   Volvo Penta D70CHC, D70CRC
-   Volvo Penta MD100B, MD100B-CC
-   Volvo Penta TAMD120A, TAMD120B
-   Volvo Penta TD121CHC, TD121CRC
-   Volvo Penta TD70CHC, TD70CRC
-   Volvo Penta TMD100A, TMD100C
-   Volvo Penta TMD120A, TMD120B
-   Volvo Penta TAD121CHC
-   Volvo Penta TAMD121D
-   Volvo Penta TMD102A
-   Volvo Penta TMD121C
-   Volvo Penta TMD122A

## Details

- **Price:** 12.82 AUD
- **Vendor:** Volvo Penta
- **Type:** Engine Controls
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 12.82 AUD | In stock |

## Images

- 842900 Compression Spring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/842900-compression-spring-genuine-volvo-penta)
> Updated: 2026-10-08