Confirmed context
Reviewed catalogs associate this gear with Volvo and Renault AT/ATO I-Shift and SPO Series gearboxes.
Part-number sourcing · Volvo transmission reference
20771311 Gear Z 35 for Volvo I-Shift & SPO Gearboxes
Quick answer: OEM 20771311 is a gear, Z 35 (35 teeth), for Volvo and Renault AT/ATO Series (I-Shift) and SPO Series gearboxes, cross-referenced with 20532210 / 20540059 / 23842107 and Renault 7420771311 / 7420532210 / 7420540059 / 7423842107.
- Reference
- 20771311
- Product type
- Gear, Z 35 (35 teeth)
- Gearbox family
- AT/ATO Series (I-Shift) · SPO Series
- Platform context
- Volvo FM / FH / VM · Renault heavy trucks
Catalog association confirmed. Send the gearbox model, nameplate and old-part markings for final compatibility verification before quotation.
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OEM & Reference Number Matching
Scroll horizontally to read catalog relationships and buyer guidance →
| Reference | Catalog / Brand Source | Relationship | Buyer Guidance |
|---|---|---|---|
| 20771311 | Volvo reference context | Cataloged as a gear, Z 35 (35 teeth) | Send this reference with the gearbox model and nameplate. |
| 20532210 · 20540059 · 23842107 | Volvo catalog mapping (CEI) | Mapped to the same gear | Verify with model, nameplate and old-part markings before substitution. |
| 7420771311 · 7420532210 · 7420540059 · 7423842107 | Renault Trucks catalog mapping (CEI) | Renault equivalents of the mapped references | Confirm the full reference and gearbox details before order. |
| CEI 244.009 | CEI catalog code | Gear Z 35 listed against OEM 20771311 | Verify before substitution; send both references for checking. |
Shared catalog references should be verified against the gearbox model, nameplate and existing part markings before substitution. Cross-reference association only; it does not imply a genuine Volvo part.
Compatibility & Identification
Verify before substitution
Match the proposed reference and tooth count to the supplied gearbox details.
Information needed before order
- Gearbox model and nameplate
- Old-part markings and photos
- Quantity and destination
| Catalog-listed transmission context | Buyer guidance |
|---|---|
| AT/ATO Series (I-Shift) — C / D / E / F generations | Confirm with the exact gearbox nameplate. |
| SPO Series (I-Shift Dual Clutch) — SPO2812 |
Vehicle applications
Listed for Volvo FM, FH and VM trucks with the corresponding transmissions, and for Renault trucks fitted with the same gearboxes. Confirm the exact gearbox model against the vehicle nameplate.
Confirm the tooth count and position before order
Reference 20771311 is cataloged as a gear, Z 35. Gear reference alone may not identify the position, so match the tooth count and position together with the complete old-part reference and gearbox data.
Verification workflow
- Record the complete gearbox nameplate and exact model.
- Photograph the old gear from front, side, and all marked areas.
- Record every reference exactly, including spaces and prefixes.
- Compare the offered reference, tooth count and position with the catalog evidence.
- Resolve any substitute, configuration, or measurement question before order confirmation.
Quality & Inspection
Available checks, photos, measurements, and documents are confirmed with the quotation.
View inspection requirements
Inspection requirements to request
- Tooth count and part-number confirmation
- Visible-condition check
- Selected dimensional checks when target measurements are supplied
- Packaging and packing-list review
Include requirements with the enquiry.
Send any target measurements, photo angles, inspection needs, and document requirements for confirmation in the quotation.
Ordering & Export
Packaging
Export-standard packaging with anti-corrosion protection. Packaging method, labeling, grouping, export documents, and receiving requirements are confirmed with the quotation.
Shipping
Provide the destination country and preferred transport mode for quotation.
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Procurement FAQ
Which Volvo gearboxes does the 20771311 gear fit?
Reviewed catalogs list the 20771311 gear (Z 35) against Volvo / Renault AT/ATO Series (I-Shift) and SPO Series gearboxes, covering C, D, E and F generations and SPO2812, and for Volvo FM, FH and VM trucks. Confirm with the gearbox model and nameplate before order.
Is there a Renault or alternate Volvo reference?
Yes. Renault catalogs list 7420771311, 7420532210, 7420540059 and 7423842107, and Volvo catalogs also map 20532210, 20540059 and 23842107 to the same gear.
How do I verify the 20771311 gear fits my gearbox?
Send your gearbox model, nameplate and photos of the old gear and its markings. We will cross-reference the OEM number and confirm before order.
How should I organize a multi-part enquiry?
Send the gearbox model, nameplate photo, the old-part markings and the full list of parts you need in one message. We will check each against the catalog and reply with one consolidated quote.
