Mack CHU CXU / Volvo VNL (2011-2013) Conti Extreme Poly-V Serpentine Belt Continental - 815.4120640X

Part number 815.4120640X

Continental lists article 4120640X in its Extreme Duty Multi V-Belt sheet. The listed construction specifies a high abrasion-resistant fabric top cover coated with advanced EPDM polymers and an OE polyester low-elongation cord tensile member.

Confirm the exact application and configuration before selecting this part. Reference numbers and similar configurations do not guarantee interchange.

Specifications

Part number / SKU	815.4120640X
Brand	Continental
Department	Belts & Tensioners
Part type	Belts
Continental 4120640X: Top Cover	High abrasion-resistant fabric is coated with advanced EPDM polymers Conditions / details Continental 4120640X family construction assertion only; exact supplier 815.4120640X / Brand Continental header lists 4120640X. Narrow source association, not physical stock or factory-package confirmation. Full supplier Title: 815.4120640X - Conti Extreme Poly-V Serpentine Belt Full supplier Description: 2013-11 Mack CHU, CXU612, 613, Volvo VNL 660 / 660 /670 Gen 2/ 730/ 780 Official sheet copyright2020, retrieved2026-10-12; no present-edition or stock-construction inspection. Exact X row links to family bullets, not measured belt dimensions. Year notation retained as manufacturer prints; representative grouped row is not every year/model/engine combination. Material facts apply only to exact X suffix, not the F-only or standard belt. Performance, temperature, life and warranty claims unpromoted; no vehicle/engine fitment, interchange, installation or package approval. Alternative/Related roles do not establish inclusion/exclusion or interchange.
Continental 4120640X: Ribs	Advanced EPDM polymers Conditions / details Continental 4120640X family construction assertion only; exact supplier 815.4120640X / Brand Continental header lists 4120640X. Narrow source association, not physical stock or factory-package confirmation. Full supplier Title: 815.4120640X - Conti Extreme Poly-V Serpentine Belt Full supplier Description: 2013-11 Mack CHU, CXU612, 613, Volvo VNL 660 / 660 /670 Gen 2/ 730/ 780 Official sheet copyright2020, retrieved2026-10-12; no present-edition or stock-construction inspection. Exact X row links to family bullets, not measured belt dimensions. Year notation retained as manufacturer prints; representative grouped row is not every year/model/engine combination. Material facts apply only to exact X suffix, not the F-only or standard belt. Performance, temperature, life and warranty claims unpromoted; no vehicle/engine fitment, interchange, installation or package approval. Alternative/Related roles do not establish inclusion/exclusion or interchange.
Continental 4120640X: Insulation	Advanced EPDM polymers Conditions / details Continental 4120640X family construction assertion only; exact supplier 815.4120640X / Brand Continental header lists 4120640X. Narrow source association, not physical stock or factory-package confirmation. Full supplier Title: 815.4120640X - Conti Extreme Poly-V Serpentine Belt Full supplier Description: 2013-11 Mack CHU, CXU612, 613, Volvo VNL 660 / 660 /670 Gen 2/ 730/ 780 Official sheet copyright2020, retrieved2026-10-12; no present-edition or stock-construction inspection. Exact X row links to family bullets, not measured belt dimensions. Year notation retained as manufacturer prints; representative grouped row is not every year/model/engine combination. Material facts apply only to exact X suffix, not the F-only or standard belt. Performance, temperature, life and warranty claims unpromoted; no vehicle/engine fitment, interchange, installation or package approval. Alternative/Related roles do not establish inclusion/exclusion or interchange.
Continental 4120640X: Tensile Member	OE polyester low-elongation cord Conditions / details Continental 4120640X family construction assertion only; exact supplier 815.4120640X / Brand Continental header lists 4120640X. Narrow source association, not physical stock or factory-package confirmation. Full supplier Title: 815.4120640X - Conti Extreme Poly-V Serpentine Belt Full supplier Description: 2013-11 Mack CHU, CXU612, 613, Volvo VNL 660 / 660 /670 Gen 2/ 730/ 780 Official sheet copyright2020, retrieved2026-10-12; no present-edition or stock-construction inspection. Exact X row links to family bullets, not measured belt dimensions. Year notation retained as manufacturer prints; representative grouped row is not every year/model/engine combination. Material facts apply only to exact X suffix, not the F-only or standard belt. Performance, temperature, life and warranty claims unpromoted; no vehicle/engine fitment, interchange, installation or package approval. Alternative/Related roles do not establish inclusion/exclusion or interchange.
Continental 4120640X: Belt Top Width (Inch)	1.68 Conditions / details Exact Continental own catalog article, retrieved2026-10-19; no separate publication date stated. Literal source field and units only. Not stocked-package inspection, factory-package equality, installed fitment, cross-product properties or source-wide engineering completion. All existing qualifications, source/stock/role/variant/condition holds remain unchanged. Belt Length is the manufacturer generic field, not silently renamed effective or outside length. These five engineering rows are new to this owner’s current construction-only public table; no non-X/other-X properties inherited. Narrow existing supplier-printed article association only; not physical stock/package or unique attribution of every mixed header number Source: https://wholesale.mycontiparts.com/; captured 2026-10-19T07:00:34.374Z; no separate edition/publication date established; locator: Part Search > exact 4120640X > Part Detail - 4120640X > Attributes > Belt Top Width (Inch). Exact source-attributed manufacturer article only; not physical-stock, supplied-condition, package-contents, vehicle-fitment or installation approval. All existing source, identity, stock, unit, revision, configuration and fitment qualifications and held/unresolved entries remain unchanged. No PHI/815-prefix inference, counterpart-property transfer, inverse/transitive cross closure or whole-product completion.
Continental 4120640X: Belt Length (Inch)	64.00 Conditions / details Exact Continental own catalog article, retrieved2026-10-19; no separate publication date stated. Literal source field and units only. Not stocked-package inspection, factory-package equality, installed fitment, cross-product properties or source-wide engineering completion. All existing qualifications, source/stock/role/variant/condition holds remain unchanged. Belt Length is the manufacturer generic field, not silently renamed effective or outside length. These five engineering rows are new to this owner’s current construction-only public table; no non-X/other-X properties inherited. Narrow existing supplier-printed article association only; not physical stock/package or unique attribution of every mixed header number Source: https://wholesale.mycontiparts.com/; captured 2026-10-19T07:00:34.374Z; no separate edition/publication date established; locator: Part Search > exact 4120640X > Part Detail - 4120640X > Attributes > Belt Length (Inch). Exact source-attributed manufacturer article only; not physical-stock, supplied-condition, package-contents, vehicle-fitment or installation approval. All existing source, identity, stock, unit, revision, configuration and fitment qualifications and held/unresolved entries remain unchanged. No PHI/815-prefix inference, counterpart-property transfer, inverse/transitive cross closure or whole-product completion.
Continental 4120640X: Belt Groove Quantity	12 Conditions / details Exact Continental own catalog article, retrieved2026-10-19; no separate publication date stated. Literal source field and units only. Not stocked-package inspection, factory-package equality, installed fitment, cross-product properties or source-wide engineering completion. All existing qualifications, source/stock/role/variant/condition holds remain unchanged. Belt Length is the manufacturer generic field, not silently renamed effective or outside length. These five engineering rows are new to this owner’s current construction-only public table; no non-X/other-X properties inherited. Narrow existing supplier-printed article association only; not physical stock/package or unique attribution of every mixed header number Source: https://wholesale.mycontiparts.com/; captured 2026-10-19T07:00:34.374Z; no separate edition/publication date established; locator: Part Search > exact 4120640X > Part Detail - 4120640X > Attributes > Belt Groove Quantity. Exact source-attributed manufacturer article only; not physical-stock, supplied-condition, package-contents, vehicle-fitment or installation approval. All existing source, identity, stock, unit, revision, configuration and fitment qualifications and held/unresolved entries remain unchanged. No PHI/815-prefix inference, counterpart-property transfer, inverse/transitive cross closure or whole-product completion.
Continental 4120640X: Maximum Operating Temperature (Degrees Fahrenheit)	266° Conditions / details Exact Continental own catalog article, retrieved2026-10-19; no separate publication date stated. Literal source field and units only. Not stocked-package inspection, factory-package equality, installed fitment, cross-product properties or source-wide engineering completion. All existing qualifications, source/stock/role/variant/condition holds remain unchanged. Belt Length is the manufacturer generic field, not silently renamed effective or outside length. These five engineering rows are new to this owner’s current construction-only public table; no non-X/other-X properties inherited. Narrow existing supplier-printed article association only; not physical stock/package or unique attribution of every mixed header number Source: https://wholesale.mycontiparts.com/; captured 2026-10-19T07:00:34.374Z; no separate edition/publication date established; locator: Part Search > exact 4120640X > Part Detail - 4120640X > Attributes > Maximum Operating Temperature (Degrees Fahrenheit). Exact source-attributed manufacturer article only; not physical-stock, supplied-condition, package-contents, vehicle-fitment or installation approval. All existing source, identity, stock, unit, revision, configuration and fitment qualifications and held/unresolved entries remain unchanged. No PHI/815-prefix inference, counterpart-property transfer, inverse/transitive cross closure or whole-product completion.
Continental 4120640X: Minimum Operating Temperature (Degrees Fahrenheit)	-40° Conditions / details Exact Continental own catalog article, retrieved2026-10-19; no separate publication date stated. Literal source field and units only. Not stocked-package inspection, factory-package equality, installed fitment, cross-product properties or source-wide engineering completion. All existing qualifications, source/stock/role/variant/condition holds remain unchanged. Belt Length is the manufacturer generic field, not silently renamed effective or outside length. These five engineering rows are new to this owner’s current construction-only public table; no non-X/other-X properties inherited. Narrow existing supplier-printed article association only; not physical stock/package or unique attribution of every mixed header number Source: https://wholesale.mycontiparts.com/; captured 2026-10-19T07:00:34.374Z; no separate edition/publication date established; locator: Part Search > exact 4120640X > Part Detail - 4120640X > Attributes > Minimum Operating Temperature (Degrees Fahrenheit). Exact source-attributed manufacturer article only; not physical-stock, supplied-condition, package-contents, vehicle-fitment or installation approval. All existing source, identity, stock, unit, revision, configuration and fitment qualifications and held/unresolved entries remain unchanged. No PHI/815-prefix inference, counterpart-property transfer, inverse/transitive cross closure or whole-product completion.

Need a measurement or technical specification? Ask our parts team before choosing the part.

Cross References

Brand / reference type	Part number	Notes
Gates	K120640HD	manufacturer lookup maps this number to Continental 4120640X. Reference conditions Continental article 4120640X, explicitly printed by the exact supplier stock article. Source: https://wholesale.mycontiparts.com/, captured October 19, 2026. For general reference only. Check catalog for correct application. Any use of this interchange to determine applications is done at the installers risk. Exact catalog-article data only; not inspection of the stocked package or confirmation of installed fitment. Existing source, identity and stock holds remain. No reciprocal/transitive interchange or transfer of another brand’s properties. Lookup direction: named manufacturer/OE input number to the exact Continental article. No equivalence between all returned foreign brands is asserted.
DAF	1522514	manufacturer lookup maps this number to Continental 4120640X; Continental-authored directed lookup: DAF 1522514 input -> Continental 4120640X output only. Reference conditions Exact Continental own catalog article, retrieved2026-10-19; no separate publication date stated. Literal source field and units only. Not stocked-package inspection, factory-package equality, installed fitment, cross-product properties or source-wide engineering completion. All existing qualifications, source/stock/role/variant/condition holds remain unchanged. For general reference only. Check catalog for correct application. Any use of this interchange to determine applications is done at the installers risk. Directed lookup: named Manufacturer plus literal complete input number to exact Continental output article only. Manufacturer names are preserved exactly as printed: do not recast ACDelco or Carquest rows as Gates, even where an identical token also appears under Gates. Other returned own articles remain distinct; no equivalence, reverse/transitive closure, target properties, generic vehicle fit, or factory package inference. Narrow existing supplier-printed article association only; not physical stock/package or unique attribution of every mixed header number Source: https://wholesale.mycontiparts.com/; captured 2026-10-19T07:04:50.535Z; no separate edition/publication date established; locator: Cross Reference > Multi-Part Search > literal Manufacturer / Mfg. Part Number / Part Number card. Exact source-attributed manufacturer article only; not physical-stock, supplied-condition, package-contents, vehicle-fitment or installation approval. All existing source, identity, stock, unit, revision, configuration and fitment qualifications and held/unresolved entries remain unchanged. No PHI/815-prefix inference, counterpart-property transfer, inverse/transitive cross closure or whole-product completion. Printed foreign Manufacturer/Mfg.PartNumber input -> printed Continental PartNumber output only; association stored on exact owning article is not reverse interchange.

Detailed product and selection notes

Continental 4120640X family construction assertion only; exact supplier 815.4120640X / Brand Continental header lists 4120640X. Narrow source association, not physical stock or factory-package confirmation. Full supplier Title: 815.4120640X - Conti Extreme Poly-V Serpentine Belt Full supplier Description: 2013-11 Mack CHU, CXU612, 613, Volvo VNL 660 / 660 /670 Gen 2/ 730/ 780 Official sheet copyright2020, retrieved2026-10-12; no present-edition or stock-construction inspection. Exact X row links to family bullets, not measured belt dimensions. Year notation retained as manufacturer prints; representative grouped row is not every year/model/engine combination. Material facts apply only to exact X suffix, not the F-only or standard belt. Performance, temperature, life and warranty claims unpromoted; no vehicle/engine fitment, interchange, installation or package approval. Alternative/Related roles do not establish inclusion/exclusion or interchange.

Independent supplier-SKU / physical-package manufacturer-article bridge required before assigning candidate facts to the website product.

Cross/fitment scope is not claimed exhaustive.

Supplier-attributed printed article binding only; no physical manufacturer tag, human verification or publication approval.

Same-brand crosses are retained as labelled associations, not independent manufacturer article/package identity proof.

Unit Size1 is exact supplier unit context, not factory packaging or item count. No new/reman condition inferred.

Description2013-11 and duplicate660 wording are ambiguous; preserve rather than construct corrected year/model fitment. SeriesUnclear retained.

Unit1/OE/shipping package/weight/UPC do not certify physical manufacturer pack, new/reman status or whole BOM.

Header/Cross/Alternative/Related/Includes/Series are separately scoped source roles, not inverse/transitive interchange or approved installed configuration.

X retained separately from non-X4120640 cross. Literal2013-11 and duplicated660 wording stay unresolved; Series Unclear does not establish years/model fit. Mixed Gates rows do not establish configuration equality.

Source-context projection only. Owning manufacturer fields require separately reviewed exact-article derivation; no publication approval.

Physical stock/factory package and condition are unverified; narrow printed article association is not a blanket prefix alias.