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A. This regulator fits four Volvo heavy-duty truck applications: the FH 12 (engine D12), FH 16 (engine D16), FM 12 (engine D12), and FM 9 (engine D9). Use the selection widget to match your make, model, and engine variant, or search our cross-referenced catalogue by machine model. Fitment is backed by our Fit Guarantee.
A. Yes — fitment is specific to particular engine codes within the Volvo FH and FM series. The 54057001 is confirmed for the D12, D16, and D9 engine variants across four listed applications. Always verify your engine code before ordering. If your engine variant is not listed, ask Simon for guidance.
A. Cross-reference data is not published for this part. To confirm suitability, use the selection widget with your vehicle make, model, and engine code, or ask Simon with your vehicle details.
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