
The B3G (13879880047) is a BorgWarner turbocharger for the Detroit DD13 12.8L engine, used in the Freightliner Cascadia and Mercedes-Benz bus applications. The DD13 is one of the most popular Class 8 engines on the road today, powering the majority of Freightliner Cascadia trucks. The B3G is a VGT turbo designed for the DD13’s 12.8L displacement. Mercedes-Benz part numbers (A471 series) also apply since the DD13 is based on Mercedes-Benz OM471 architecture. Built new, dynamically balanced, ships with gaskets. We supply shops, fleets, and distributors.
B3G (BorgWarner, VGT)
13879880047, A4710964399, A4710966099, A4710963599, EA4710964099, A4710965999
Detroit DD13 12.8L, Freightliner Cascadia, Mercedes-Benz Bus
The B3G (13879880047) fits the Detroit DD13 12.8L engine in Freightliner Cascadia trucks and Mercedes-Benz bus applications.
No. The DD15 (14.8L) uses a different B3G configuration with A472 series Mercedes numbers. The DD13 uses A471 series. They are not interchangeable.
Mercedes-Benz numbers include A4710964399, A4710966099, A4710963599, EA4710964099, and A4710965999.
Brand new, 100% new components, dynamically balanced. No core charge. One-year unlimited-mileage warranty.
Yes. US stock, volume pricing for shops, fleets, and distributors.
The Detroit DD13 replaced the Series 60 as the go-to engine for Freightliner Cascadia trucks. It is a 12.8L inline-six based on Mercedes-Benz OM471 architecture. The B3G turbocharger is the VGT unit for this engine, manufactured by BorgWarner. There are multiple B3G configurations for the DD13 — this page covers BorgWarner number 13879880047.
Detroit makes both the DD13 (12.8L) and the DD15 (14.8L) for Class 8 trucks. They use different B3G turbo configurations with different part numbers. The DD15 turbo uses A472 series Mercedes numbers, while the DD13 uses A471 series. Do not cross-reference between them.
The DD13 has had several turbo revisions across model years. This page covers BorgWarner 13879880047. We also carry 13879880050, which is a different DD13 configuration. Match by the BorgWarner number or Mercedes A-number stamped on your old turbo.
See our quality process for details.