22050739 Spacer Tube | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta DPH-D1 / DPR-D Lower-Gear Spacer Tube - Part Number: 22050739

Precision spacer tube used in the lower gear train of DPH-D1 and DPR-D sterndrives. It establishes the designed bearing and gear stack distance so the matched gear set, shaft and bearings operate with the specified preload and backlash.

⚙️ Key Features

• Precision length, bore and end-face geometry

• Maintains the specified bearing or component spacing

• Supports correct preload and alignment

• Hardened or corrosion-resistant construction as required

• Exact assembly position must be matched

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 22050739 (current OEM reference)

OEM / Related Numbers:

• 22050739

• 21821906 - DPH-D1 gear set

• 21821908 - DPR-D gear set

• 3852301 - nut

• 889122 - spacer sleeve

• 22224949 / 3887255 - related washers

• 3849006 - sliding sleeve

• 3862368 - shaft

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• DPH-D1 and DPR-D sterndrive lower gear assembly

Typically suits:

• Engine / drive models:

• DPH-D1

• DPR-D

• HP / Rating: Drive-rating and ratio controlled

• Engine / System Type: DuoProp sterndrive lower gear train

• Year Range: DPH-D1 / DPR-D drive generation

• Serial / Specification Control: Confirm drive model, reduction ratio and serial number. Spacer length is part of the gear/bearing setup and must not be replaced with a generic tube.

🔌 Function

Maintains the specified distance, preload or alignment between assembled components.

Common signs of failure or wear:

• Crushing or permanent deformation

• Wear or fretting at the end faces

• Incorrect bearing preload or gear backlash

• Corrosion reducing effective length

• Misalignment after an incorrect spacer is installed

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging