Porsche 911 G Chain tensioners (Carrera pressure-fed upgrade)
911 (G-series) · 1974–1989 · Engine · #5 most-needed for this chassis
OEM part number
93010505300 Timing Chain Tensioner · source: fcpeuro.comOE number as printed on the cited source. Numbers can vary by model year and market; confirm by VIN.
Why owners need it
Chassis-specific known weak point / high-demand repair item
Typical price seen: $100-$400 (USD, from research 2026-10-12; varies by brand and condition).
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