Volvo Penta 20939274 O-Ring – TAD761–765VE Fuel Injector
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Volvo Penta 20939274 – O-Ring
Part Number: 20939274
Brand: Volvo Penta
Official Part Name: O-Ring
Cross-Reference: 60115626
System: Fuel System – Fuel Injector Assembly
Diagram Position: Fuel Injector diagram – TAD761–765VE engine family
Compatible Applications
- Volvo Penta TAD761VE – Fuel Injector Assembly
- Volvo Penta TAD762VE – Fuel Injector Assembly
- Volvo Penta TAD763VE – Fuel Injector Assembly
- Volvo Penta TAD764VE – Fuel Injector Assembly
- Volvo Penta TAD765VE – Fuel Injector Assembly
- Fitment is engine-, assembly-, and serial-specific. Always verify against your engine serial number and the correct Volvo Penta parts diagram before ordering.
Serial Number Requirements
Confirm part number 20939274 against your exact engine serial number before ordering. This O-ring appears in multiple Volvo Penta assembly diagrams, so serial-number verification is especially important to ensure you are matching the correct sealing point on your specific engine configuration.
When to Replace
Replace this O-ring when the original shows any of the following:
- Flattening, hardening, or cracking
- Swelling or distortion from fuel or heat exposure
- Visible leaking or seepage at the injector sealing point
- Removal during service — O-rings should not be reused once disturbed
Installation Notes
- Clean the sealing groove and mating surfaces thoroughly before installing the new O-ring
- Inspect the groove for wear, contamination, or damage
- Do not reuse the original O-ring after removal
- Lubricate lightly with clean fuel or appropriate assembly lubricant before installation
- Follow the Volvo Penta service manual for your serial-numbered engine
Cross-Reference / Alternate Part Numbers
Part number 20939274 is also associated with OE-linked number 60115626. Verify any cross-reference against your exact serial-numbered application before ordering.
Parts Desk Insights
Injector O-rings are among the most cost-effective parts to include in any fuel system service — and one of the most commonly skipped. The most frequent issue we see is technicians reusing the original O-ring after pulling an injector, which can lead to fuel seepage, air intrusion into the fuel system, or hard-start conditions after reassembly. At this price point, replacing the O-ring every time the injector comes out is straightforward preventive maintenance. Best suited for TAD761–765VE injector service, injector cleaning or replacement, and fuel system overhauls on that engine family.
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.