3855906 Gear Under | Genuine Volvo Penta Part
3855906 Gear Under | Genuine Volvo Penta Part
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✓ Authorised Volvo Penta Dealer · Genuine Volvo Penta parts · Ships Australia-wide
🔧 Product Description
Genuine Volvo Penta lower gear unit for the 1.68:1 ratio, from the Marine Propulsion group, weighing 29.937 kg and listed for 6 applications across the DP drive family. It supersedes part number 3801182, which was catalogued earlier as a remanufactured lower gear.
🚤 Compatibility
Typically suits:
- Volvo Penta DP-S
- Volvo Penta DP-S1
- Volvo Penta DP-SM
- Volvo Penta DP-SMTD
- Volvo Penta DP-SMTD1
- Volvo Penta DP-SMTD3
- Engine Family: DP
⚙️ Key Features
- For the 1.68:1 ratio
- 29.937 kg
- Supersedes 3801182
- 6 applications across the DP drive family
🔌 Function
Turns the drive through ninety degrees from the vertical shaft to the propeller shafts, and sets the final reduction between engine and propeller.
⚠️ Common Signs of Failure
- Whine or growl from the drive that rises with speed
- Milky or metal-flecked oil drained from the lower unit
- Water in the gear oil after a season afloat
- Play or roughness felt at the propeller shafts
- Chipped or pitted gear teeth found on strip-down
🛠️ Service Notes
- Order the 1.68:1 ratio only after checking the ratio on the drive, since 3855907 covers the 2.11:1 and 1.78:1 ratios and 3855909 is listed without a ratio at all
- Because the superseded number was listed as a remanufactured lower gear, confirm with us whether this number supplies a new or an exchange unit before ordering
- Fit sealing kit 3856002 for the lower gear unit at the same time
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 3855906 → Supersedes 3801182
OEM / Related Numbers
- 3801182 earlier number superseded by this part
📦 Condition
- Genuine Volvo Penta part
- Brand new
- Supplied in original or equivalent packaging
Shipping & Delivery
Shipping & Delivery
Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.
Returns & Warranty
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.
Not sure this fits?
Not sure this fits?
Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.
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