This part is a valve, exhaust, for Chevrolet, Chevrolet Trucks, Buick, Saturn, Pontiac, Opel, and Vauxhall cars. It fits for 13 Opel\Vauxhall vehicles which were sold in the U.S., Europe, and the UK from 2003 to 2013. It's a genuine General Motors part with an OEM part number 12597371, and Opel\Vauxhall kat-code: 48 05 043. Please keep in mind that this valve is interchangeable with 12637742 for the U.S. market since September 1, 2012, and was replaced with 12637742 for Canada market on November 4, 2011.
This valve has dimensions 1.70 in × 4.30 in × 1.70 in, it has a weight of 1.44 ounces, usually, it comes in a set of 1 item in retail packaging.
This valve 100% fits for Opel\Vauxhall cars. It's made of top quality materials, it has passed not only all manufacturer's tests but also General Motors quality control and has to endure rough road conditions over a long time.
GM 12597371 Valve Aftermarket Replacements
FRECCIA R6309/BMCR Exhaust Valve
Manufacturer: FRECCIA
Replacement Part Number: R6309BMCR
Supplementary Article/Info 2: Chromed valve stem
Length [mm]: 101
Material: Bi-metal
Connector type: I
Valve stem diameter [mm]: 6
Valve head diameter [mm]: 30
Valve seat angle [°]: 45
Valve Seat Material: Chrome-Mangan-Nickel Steel
Valve stem material: Chrome-silicon-steel
~ $?
TRW Engine Component 291110 Exhaust Valve
Manufacturer: TRW Engine Component
Replacement Part Number: 291110
Supplementary Article/Info 2: Chromed valve stem
Length [mm]: 101
Material: Bi-metal
Valve stem diameter [mm]: 6
Valve seat angle [°]: 45
Supplementary Article/Info 2: Valve stem tip hardened
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