Product Description Direct replacement - this electronic throttle body matches the original equipment throttle body for fit and function Plug and play installation - this throttle body plugs into the original equipment wiring harness with no adapter required Cost-effective and reliable - offers original manufacturer quality at a competitive price with no core charge Rigorously tested - this throttle body has undergone corrosion and try-on testing to ensure durability for a long service life Fit for: ( OE/OEM Part Number: 12570800, 337-05400 ) 2004 Buick Rainier V8 5.3L .
