21268949 Alternator Kit | Genuine Volvo Penta Part
21268949 Alternator Kit | Genuine Volvo Penta Part
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🔧 Product Description
Genuine Volvo Penta mounting kit for a large-casing extra alternator on D3 engines, weighing 6.5 kg and listed for eleven D3 applications. The catalogue lists it against 12V/130A, 24V/75A and 24V/110A alternators on the 4 inch dual foot saddle mount to SAE J180, and the alternator itself is not included. It is the only kit on this page covering three different alternator ratings.
🚤 Compatibility
Typically suits:
- Volvo Penta D3-110I-B
- Volvo Penta D3-110I-C
- Volvo Penta D3-130I-C
- Volvo Penta D3-110I-A
- Volvo Penta D3-130I-A
- Volvo Penta D3-160I-A
- Volvo Penta D3-160I-C
- Volvo Penta D3-190I-B
- Volvo Penta D3-190I-C
- Volvo Penta D3-130I-B
- Volvo Penta D3-160I-B
- Engine Family: D
- HP Range: 110-190 HP
- Year Range: Approximately 2004 onward; accessory layout varies by D3 suffix
⚙️ Key Features
- For 12V/130A, 24V/75A or 24V/110A alternators
- Large casing, 4 inch dual foot saddle mount to SAE J180
- For D3 engines
- Alternator not included
- 6.5 kg
- Supplied without the alternator
- Capacity: 12V/130A, 24V/75A, 24V/110A
- Fits: D3
📋 Kit Contents
- Bracket - part number 21190567 - quantity 1
- Stud L50 - part number 993609 - quantity 1
- Stud L90 - part number 993610 - quantity 1
- Bracket - part number 21190799 - quantity 1
- Flange screw L45 - part number 948217 - quantity 1
- Flange nut - part number 996472 - quantity 1
- Pulley - part number 3818325 - quantity 1
- Flange screw L150 - part number 978447 - quantity 1
- Flange screw L60 - part number 965194 - quantity 1
- Flange nut M12x1.50 - part number 971096 - quantity 1
- Alternator and drive belt 30731809 are separate
🔌 Function
Mounts, aligns and tensions a second high-output alternator so it can charge auxiliary battery banks independently of the standard engine alternator.
⚠️ Common Signs of Failure
- Alternator or belt running out of alignment
- Bracket cracking or fasteners loosening
- Repeated belt wear or squeal
- Charging output short of the alternator's rating
- Interference with the engine cover or an adjacent accessory
🛠️ Service Notes
- Confirm the alternator has the large casing and 4 inch dual foot SAE J180 pattern before ordering
- The alternator is a separate order line whichever of the three ratings you choose
- Check belt alignment and tension after fitting and again after the first hours of running
- For a large casing, 4 inch dual foot saddle mount alternator (SAE J180 mount)
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 21268949 → Supersedes 3841445
OEM / Related Numbers
- 3841445 earlier number superseded by this part
- 30731809 related drive belt
- 3818325 pulley
📦 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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