Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 12678991 Fuel Rail is available in the market under the name GM Fuel Rail. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12678991 Fuel Rail fits certain Chevrolet Silverado 2500 HD, Silverado 3500 HD models, as well as GMC Sierra 2500 HD, Sierra 3500 HD models.
The original GM component designated by manufacturer part number 12678991 maintains top performance when functioning as the Rail, Fuel Injection unit. The component 12678991 is constructed from durable material and its dimensions span 19.3 x 4.9 x 4.9 inches while weighing 4.70 Pounds. The component is ready in New condition to ensure full compatibility with your vehicle system. The part 12678991 has available replacement options listed under 12686810. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
The sealed accumulator assembly of the GM part 12678991 Fuel Rail functions as a vital separator for liquid/vapor components including refrigerant vapor and liquid refrigerant as well as refrigerant oil extracted from the evaporator. The device incorporates a desiccant which has the essential duty to capture moisture that enters the system which extends air conditioning device operational life and performance. Proper oil management during maintenance of the GM part 12678991 requires appropriate oil drainage and measurement together with fresh oil addition to replace retained desiccants. While installing the component you must tighten the clamp bolt to 88 in-lbs (10 Nm) and properly connect low-pressure lines with new O-rings that received refrigerant oil lubrication. Genuine OEM GM parts are available in ChevyPartsGiant.com along with the 12678991 Fuel Rail so customers can find certified parts tested according to GM factory requirements. The system installation process becomes smooth through manufacturer-backed warranty coverage while optimized performance is guaranteed by product specifications.