BCBC S1327 Engine Oil Pump Sprocket

Engine Oil Pump Sprocket Overview

The Melling S1327 engine oil pump sprocket is a steel replacement component for applications that require a new sprocket during oil pump service. It addresses wear-related concerns such as fatigue, cracking, and twisting that can affect the original part even when it still looks serviceable.

Compatible with a wide range of Genesis, Hyundai, and Kia applications, this sprocket is used to complete oil pump replacement work on models such as the Kia Sorento, Hyundai Santa Fe, and Genesis G80. The Melling S1327 is built for stock-style service where the original sprocket must be renewed with the pump.

Key Features

• Steel construction for engine oil pump service
• 26-tooth design for the specified application
• Single mounting hole configuration
• Dimensions: 0.472 in. inside diameter, 1.978 in. outside diameter, 0.323 in. thickness
• Fits stock applications across multiple Genesis, Hyundai, and Kia platforms

Detailed Application Notes

Use the Melling S1327 when replacing an oil pump on compatible Genesis, Hyundai, and Kia engines that call for a new sprocket as part of the repair. This part number is listed for stock applications including the Hyundai Santa Fe, Kia Sorento, and Genesis G70, with fitment spanning 2014-2026 model years depending on the vehicle. This part cross-references Hyundai/Kia OE number 21312-3CGD0 for the same application.

Common Repair Uses

• Replacing a worn or fatigued oil pump sprocket during engine service
• Addressing cracking or twisting damage in the original sprocket
• Completing an oil pump replacement with a new drive component
• Restoring proper oil pump drive engagement after teardown

Installation Notes

Verify the engine configuration and oil pump design before ordering, especially on 2014-2015 applications that list Silent Design Oil Pump Chain notes. Confirm the sprocket tooth count, dimensions, and OE reference before installation. Professional engine service procedures are recommended for proper alignment and assembly.

Quality Assurance

Melling recommends replacing the oil pump sprocket whenever a new oil pump is installed and the original sprocket shows signs of fatigue or damage. The S1327 is a steel service part intended to meet the needs of stock replacement applications.