Collection: ACDelco
ACDelco Auto Parts — GM Original Equipment Quality
ACDelco is General Motors' official parts brand, delivering original equipment (OE) quality for Chevrolet, GMC, Buick, Cadillac, and Pontiac vehicles. When your GM vehicle calls for a specific part specification, ACDelco delivers components manufactured to the same tolerances as the parts that came in your vehicle from the factory — ensuring proper fit, function, and longevity without the guesswork of aftermarket substitutes.
ACDelco's catalog spans thousands of part numbers including spark plugs, oil filters, batteries, brakes, sensors, belts, hoses, and chassis components. Whether you're performing a simple tune-up or a major repair, ACDelco ensures your GM vehicle gets the part it was designed for.
ACDelco Categories at Texan Supply
- ACDelco Spark Plugs — professional-grade iridium and platinum plugs spec'd for GM's LS, EcoTec, Duramax, and other engine families
- ACDelco Oil Filters — multi-pass filtration with silicone anti-drain-back valves to meet GM's factory maintenance requirements
- ACDelco Sensors & Electrical — oxygen sensors, crankshaft sensors, and ignition components matched to OE specifications
For Ford vehicles, see our Motorcraft parts collection — the Ford equivalent of ACDelco's OE quality standard. Browse our full spark plug selection and oil filter catalog for side-by-side comparison across all major brands.
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2 Pack Genuine GM ACDelco Spark Plugs R43TS6
Regular price $13.77 USDRegular priceSale price $13.77 USD -
4 Pack Genuine GM ACDelco Spark Plugs R43TS6
Regular price $19.77 USDRegular priceSale price $19.77 USD -
ACDelco GM R44XLS Conventional Spark Plug - 2 Pack
Regular price $14.77 USDRegular priceSale price $14.77 USD -
ACDelco GM R45 Conventional Spark Plug - 2 Pack
Regular price $13.77 USDRegular priceSale price $13.77 USD -
ACDelco GM R45 Conventional Spark Plug - 6 Pack
Regular price $26.77 USDRegular priceSale price $26.77 USD -
6 Pack Genuine GM ACDelco R45S Spark Plugs 19362366
Regular price $25.77 USDRegular priceSale price $25.77 USD -
ACDelco GM R45XLS Conventional Spark Plug - 2 Pack
Regular price $13.77 USDRegular priceSale price $13.77 USD -
ACDelco R45XLS Copper Spark Plug - 6 Pack - 19382850 GM OEM
Regular price $26.77 USDRegular priceSale price $26.77 USD -
ACDelco R46SZ Conventional Spark Plug - 2 Pack
Regular price $13.77 USDRegular priceSale price $13.77 USD -
ACDelco R46SZ Conventional Spark Plug - 6 Pack
Regular price $27.77 USDRegular priceSale price $27.77 USD -
ACDelco R46SZ Copper Spark Plug - 8 Pack - 19355455 GM OEM
Regular price $37.77 USDRegular priceSale price $37.77 USD -
1 Pack GM ACDelco #2 RAPIDFIRE Platinum Spark Plug 19307138
Regular price $13.77 USDRegular priceSale price $13.77 USD -
3 Pack GM ACDelco #4 RAPIDFIRE Platinum Spark Plugs 19307141
Regular price $26.77 USDRegular priceSale price $26.77 USD -
1 Pack GM ACDelco #5 RAPIDFIRE Platinum Spark Plug 19308030
Regular price $13.77 USDRegular priceSale price $13.77 USD -
ACDelco MR43T - Genuine ACDelco Marine Spark Plugs (4 pack) 19355200
Regular price $21.77 USDRegular priceSale price $21.77 USD -
AC Delco R45TS Spark Plug Set of 8 for Chevy GMC Buick Cadillac Pontiac Olds
Regular price $32.77 USDRegular priceSale price $32.77 USD -
AC Delco OEM Part# 862029 MR43LTS Compatible With Mercury Mercruiser Quicksilver (8 Pack)
Regular price $37.77 USDRegular priceSale price $37.77 USD