Volvo Penta 20844430 Lock Brace – D9A2A Cooling System
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Volvo Penta 20844430 – Lock Brace
Part Number: 20844430
Brand: Volvo Penta
Official Part Name: Lock Brace
Replaces: 21724416
System: Cooling System
Diagram Position: Coolant Pump and Thermostat Housing assemblies – D9A2A Cooling System
Compatible Applications
- Volvo Penta D9A2A – Cooling System (Coolant Pump and Thermostat Housing assemblies)
- Fitment is engine- and assembly-specific. Always verify against your engine serial number and the correct Volvo Penta parts diagram before ordering.
Serial Number Requirements
Confirm part number 20844430 against your exact engine serial number before ordering. Cooling-system hardware can vary by engine family, housing design, and production break. Volvo Penta directs customers to identify the exact engine and shield when locating the correct spare part.
When to Replace
Replace this lock brace when the original shows any of the following:
- Bending, cracking, or corrosion
- Looseness or failure to secure the related cooling-system component
- Damage discovered during coolant pump or thermostat housing service
- Age-related wear found during a cooling system inspection
Installation Notes
- Install only in the correct matched Volvo Penta application
- Inspect the related mounting point, housing, and fasteners before reassembly
- Follow the Volvo Penta service manual for your serial-numbered engine
Superseded Part Numbers
Part number 20844430 replaces earlier number 21724416. Verify supersession against your exact serial-numbered application before ordering.
Parts Desk Insights
Small retaining braces like this one are among the most commonly overlooked items during cooling system service — and one of the most cost-effective parts to replace while the assembly is already apart. The most frequent issue we see is customers reassembling with a bent or corroded original brace, which can lead to housing misalignment, vibration, and a repeat teardown. If your coolant pump or thermostat housing is coming off for any reason, this is an inexpensive insurance item to include in the order. Best suited for D9A2A cooling system rebuilds and scheduled thermostat or coolant pump service.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.