20405693 Spacer | Genuine Volvo Penta Part
20405693 Spacer | Genuine Volvo Penta Part
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In stock — Australian warehouse
Typically reaches our store in 3–5 business days
Availability checked daily with Volvo Penta
✓ Authorised Volvo Penta Dealer · Genuine Volvo Penta parts · Ships Australia-wide
🔧 Product Description
Genuine Volvo Penta spacer installed between the coolant pump connection and thermostat housing. It sets the required component position and O-ring compression.
🚤 Compatibility
- Engine Family: TD, TAD
Full model list at the end of this description.
⚙️ Key Features
- Machined thermostat-housing spacer
- Used with two O-rings 20412325
- Installed beside housing 20405688
- Maintains correct pump and thermostat geometry
- Sealing faces must remain clean and flat
- Engine type: Volvo Penta 5- and 7-litre industrial diesel
- Quantity varies by assembly, most commonly one
🔌 Function
Positions the thermostat housing and maintains correct compression of the adjoining seals.
⚠️ Common Signs of Failure
- Coolant leakage around the spacer
- Corroded or pitted sealing face
- Cracked or distorted spacer
- Incorrect O-ring compression
- Housing misalignment
🛠️ Service Notes
- Refit the spacer in the same position and the same way round as it came out; many spacers set an end float, an alignment or a preload and are not simply packing
- Never leave a spacer out, substitute plain washers for it, or stack washers to make up a missing one
- Keep the faces clean, flat and free of burrs and old sealant, and check the spacer itself for wear, scoring or having been drawn down out of shape
- Where several spacers or shims come out together, keep them in order and refit them in the same sequence
- Tighten the fastening to the figure given in the workshop manual for your engine, then check any clearance or end float the spacer controls
🔄 Supersession & Cross Reference
OEM / Related Numbers
- 20405688 - thermostat housing
- 20412325 - O-rings
- 20726077 - coolant pump
- 20405691 - pump gasket
📦 Condition
- Genuine Volvo Penta part
- Brand new
- Supplied in original or equivalent packaging
🔎 Full Model Compatibility
Typically suits:
- Volvo Penta TAD520GE, TAD520VE
- Volvo Penta TAD530GE MECH, TAD530GE EDC4
- Volvo Penta TAD531GE MECH, TAD531GE EDC4
- Volvo Penta TAD720GE, TAD720VE
- Volvo Penta TAD730GE MECH, TAD730GE EDC4
- Volvo Penta TAD731GE MECH, TAD731GE EDC4
- Volvo Penta TAD750GE, TAD750VE
- Volvo Penta TD520GE, TD520VE
- Volvo Penta TD720GE, TD720VE PP
- Volvo Penta TAD420VE
- Volvo Penta TAD532GE EDC4
- Volvo Penta TAD550GE
- Volvo Penta TAD551GE
- Volvo Penta TAD620VE
- Volvo Penta TAD721VE
- Volvo Penta TAD722VE
- Volvo Penta TAD751GE
- Volvo Penta TAD760VE
- Volvo Penta TD420VE
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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