

# Product Description The Genuine GM OEM Camshaft Lobe Position Actuator (MPN: 55515838) is an intake variable valve lift component designed to optimize camshaft positioning and enhance engine performance across select GM vehicles. This critical VVT (variable valve timing) actuator works in conjunction with your vehicle's oil control valve and VVT solenoid to deliver improved fuel economy, responsive acceleration, and reduced emissions. Whether you're maintaining your GM truck, sedan, or SUV, this OEM part ensures your engine operates at peak efficiency. - **Part Type:** Intake Camshaft Lobe Position Actuator with integrated oil control valve for variable valve lift systems - **OEM Fitment:** Genuine General Motors factory component designed for select GM vehicles requiring variable valve timing actuator replacement - **Key Function:** Precisely adjusts camshaft timing to optimize valve overlap, maximizing fuel efficiency and engine responsiveness - **Compatibility:** Works seamlessly with GM VVT solenoids and existing variable valve timing systems to maintain manufacturer specifications - **Condition:** Genuine OEM part—not aftermarket—ensuring factory quality, durability, and warranty compliance for your GM vehicle
| Brand | GM |
|---|---|
| Manufacturer Part Number | 55515838 |
| SKU | 55515838 |
| Product | Genuine GM Camshaft Lobe Position Actuator 55515838 |
| Replaces | 55504556, 55509044, 55509747 |
ONLY PART REFERENCE #14 ON THE DIAGRAM IS INCLUDED
| WARNING: May cause cancer and reproductive harm. See www.P65Warnings.ca.gov for more info. |
LONDOFF DISCOUNT PARTS sells genuine OEM GM parts and accessories at competitive prices. Ensure fit and performance for your vehicle using our VIN search option. We pride ourselves in providing the best service and parts, and positive customer experience is always our priority. Contact us today to speak with our parts specialists that can answer any questions you might have.
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Disclaimer of Warranty : Any warranties on the products sold hereby are those made by the manufacturer. The Seller, Johnny Londoff Chevrolet , Inc. hereby expressly disclaims all warranties, either express or implied, including any implied warranty of merchantability or fitness for a particular purpose, and Johnny Londoff Chevrolet, Inc. neither assumes nor authorizes any other person to assume for it any liability in connection with the sale of said products.
Return Terms and Conditions : All returned items must be received within 30 days, be in the original package, and accompanied by this invoice. There will be a 20% handling charge on all returned parts. We are not allowed to accept returns on electrical, installed, opened or special order items. Discontinued items are non-returnable. Please prepay when ordering special order items.
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