2x Coil Springs (Pair Set) Rear ACS1173 Apec. Part Number ACS1173. APEC ACS1173. OPEL 13157945, 13164609, 424086, 424095, 93177648, 93178719. VAUXHALL 13157945, 424095, 93177648, 93178719. When installing an Apec Coil Spring, replacing the OE parts in axle pairs prevents uneven wear and reduces the likelihood of another premature spring failure.
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