# 21130693 Kit | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta SX / DPS Upper Drive Gear Set 21/26-Tooth - Part Number: 21130693

  

A complete upper-gear-housing replacement set for selected Volvo Penta SX and DuoProp sterndrives. The matched 21-tooth input pinion, 26-tooth driven gears and sliding clutch sleeve must be installed as a set so tooth contact, ratio and engagement geometry remain correct.

  

Kit Contents:

  

• 1 x 21-tooth upper input pinion - supplied only within gear set 21130693

• 2 x 26-tooth upper driven gears - supplied only within gear set 21130693

• 1 x clutch sliding sleeve - supplied only within gear set 21130693

• Bearings, shims, seals and retaining hardware are selected by the drive-specific overhaul procedure and are not confirmed as included

  

⚙️ Key Features

  

• Complete matched upper-drive gear set

• 21-tooth input pinion with 26-tooth upper driven gears

• Includes the clutch sliding sleeve

• Used across SX, DP-SM, SX-A, DPS-A and DPS-B drive families where specified

• Gear ratio and bearing arrangement must be confirmed before installation

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21130693 current complete upper gear-set reference

• 21130693 → Replaces earlier upper-gear references 3851793, 3856996 and 3842273 where Volvo applies the update

  

OEM / Related Numbers:

  

• 21130693

• 3851793 earlier upper gear-set reference

• 3856996 earlier upper gear-set reference

• 3842273 earlier upper gear-set reference

• 3852292 related earlier upper-gear reference

• Volvo / OMC Cobra SX cross-platform gear-housing application

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta SX and SX-M upper gear housings

• Volvo Penta DP-SM, SX-A, DPS-A and DPS-B sterndrive upper units

• OMC Cobra SX-derived upper-drive installations using the same Volvo gear design

  

Typically suits:

  

• Engine models:

• SX-C and SX-M sterndrives with the 21/26 upper gear combination

• DP-SM sterndrives with the corresponding upper gear housing

• SX-A sterndrives with compatible bearing and ratio arrangement

• DPS-A sterndrives with compatible bearing and ratio arrangement

• DPS-B sterndrives with compatible bearing and ratio arrangement

• Complete drive ratios commonly paired with this upper set include 1.79:1, 1.89:1, 1.97:1, 2.11:1, 2.18:1 and 2.32:1, depending on lower-unit gearing

  

• HP Range: Not engine-horsepower controlled; drive load rating and complete gear ratio control fitment

• Engine Type: Volvo Penta single-propeller and DuoProp sterndrive

• Serial Range: Confirm the sterndrive identification plate, complete ratio and upper-housing bearing arrangement before ordering

• Year Range: Approximately mid-1990s onward, dependent on drive model and serial number

  

🔌 Function

  

Transfers engine torque through the upper gear housing, changes the drive direction through the bevel gears and engages forward or reverse through the sliding clutch sleeve.

  

Common signs of failure:

  

• Whine, rumble or grinding from the upper gear housing

• Metal particles or abnormal discolouration in the drive lubricant

• Excessive backlash, tooth pitting or chipped gear teeth

• Drive jumps out of gear or the sliding sleeve will not engage correctly

• Gear damage found after bearing, lubrication or impact failure

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 2412.18 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2412.18 AUD | In stock |

## Images

- 21130693 Kit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21130693-kit-genuine-volvo-penta)
> Updated: 2026-07-30