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Boundary oil pump assembly with billet back plate for Nissan VQ 3.5L DE engines, supplied as a complete pump plus upgraded back plate. The billet plate offers a strengthened sealing surface while the assembly restores pump internals for the VQ 3.5L DE application, delivering a precise drop‑in solution where a billet back plate replacement is desired.
Boundary Nissan VQ 3.5L DE Oil Pump Assembly w/Billet Back Plate
