Description: Genuine GM ABS Pressure Modulator Valve Kit, part number 18042541. This GM OEM ABS pressure modulator valve kit is a factory transmission component with OE-correct fit and function. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 18042541 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.