Genuine Volvo Penta belt for Vovo Penta V6.-V8 inboard engines. and 4.3L - 5.7L.It is found on Volvo Penta Inboard engines: 4.3GI-200-R 4.3GL-P 4.3GXI-P/225-R 4.3GXIE-P/E-Q/225-R 5.0GIC-225-S 5.0GICE-225-S 5.0GXI-P/270-R 5.0GXIC-P/270-R 5.0GXICE-P/270-R 5.0GXIE-P/270-R 5.7GI-300-P 5.7GIC-300-P/300-R 5.7GICE-300-P 5.7GIE-300-P/300-R 5.7GXI-300-R/320-R 5.7GXIC-P/320-R 5.7GXICE-P/320-R 5.7GXIE-P/320-R V6-200-A V6-225-A/EA/CA/CB/CE-A/CE-B V8-270-A/B/CA/CB/CE-A/CE-B/EB V8-300-A/B/EA/CA/CB/CE-A/CE-BEB V8-320-A/B/EA/CA/CB/CE-A/CE-BEBHis characteristics : Outer perimeter: 2360mm Thickness: 21mm The 21399021 ensures optimal performance and durability. Designed for efficiency and longevity.