GM 12703450 Engine Camshaft 193468980950 12663563 Sierra. CT4.

( Brand: Gm ), ( Manufacturer Part Number: 12703450 ), ( Parts Included: Only Part Reference 19 On The Diagram Is Included ), ( Fitment Type: Direct Replacement ), ( Genuine Oem: Yes ), ( Make: Chevrolet ), ( Material: Steel ), ( Vintage Part: No ), ( Type: Camshaft ), ( Ipn: 12663563 ), ( Year: 2019 2020 2021 2022 2023 ), ( Finish: Brushed ), ( Country Of Origin: Mexico ), ( UPC: 193468980950 )

Review GM Genuine Engine Camshaft Sierra. Ct4. Colorado fits SILVERADO SIERRA CT4 2019–2023

GM 12703450 Engine Camshaft for Silverado and Sierra (CT4 Cylinder Head)

The GM 12703450 engine camshaft is an essential component for the efficient functioning of the engine in select Silverado and Sierra models equipped with the CT4 cylinder head. This camshaft, manufactured by General Motors, is meticulously engineered to deliver optimal performance, reliability, and durability.

The camshaft is designed with a precise profile that ensures proper timing and duration of the intake and exhaust valves. This profile is critical in enabling the engine to breathe efficiently, which translates to improved power output and fuel economy. The camshaft's profile is optimized for the specific engine design of the CT4 cylinder head in the Silverado and Sierra, ensuring a seamless fit and operation.

This camshaft is made of high-quality materials, primarily steel, to ensure its durability and longevity. The material's strength allows it to withstand the extreme pressures and temperatures inside the engine, allowing it to perform consistently over time. The surface of the camshaft is treated with a durable coating to protect it from wear and corrosion, further enhancing its lifespan.

The GM 12703450 engine camshaft is also designed to work in harmony with the other components of the engine, such as the crankshaft, pistons, and valves. Proper installation is crucial to ensure that all these components work together efficiently. The camshaft is installed using a timing mark on the crankshaft pulley, ensuring that the engine timing is set correctly.

In summary, the GM 12703450 engine camshaft is an essential component for the Silverado and Sierra models with the CT4 cylinder head. Its precise profile, high-quality materials, and durability make it an ideal choice for those looking to maintain or enhance their vehicle's performance. Proper installation is crucial to ensure that the engine runs efficiently and effectively.

Buying a GM 12703450 engine camshaft for a Silverado or Sierra with the CT4 engine involves considering several pros and cons to help make an informed decision. Here's a breakdown of some key aspects.

1. Improved engine performance: A new camshaft can lead to better engine response, increased power, and improved fuel efficiency.

2. Longer lifespan: A new camshaft can last longer than a worn-out or damaged one, potentially saving you from costly engine repairs or replacements down the line.

3. Smoother operation: A worn-out camshaft can cause rough idling, stalling, and other performance issues. Replacing it with a new one can result in a smoother, more consistent driving experience.

1. Cost: Replacing a camshaft can be a costly repair, especially if you opt for an OEM (Original Equipment Manufacturer) part like the GM 12703450. Aftermarket options may be less expensive but could potentially sacrifice performance or durability.

2. Installation complexity: Installing a camshaft requires removing various engine components, which can be time-consuming and may require specialized tools. Hiring a professional mechanic to perform the installation may add to the overall cost.

3. Potential for engine misfires: A poorly installed or incorrectly matched camshaft can cause engine misfires, which can lead to decreased performance and increased emissions.

Replacing the engine camshaft in your Silverado or Sierra with the CT4 engine can lead to improved performance, longer lifespan, and smoother operation. However, it comes with a costly price tag and the complexity of installation. To ensure a successful repair, consider choosing a reputable parts supplier and, if possible, having the installation done by a professional mechanic.

If you're experiencing performance issues, rough idling, stalling, or other signs of a worn-out camshaft, it's worth considering a replacement. Weigh the potential benefits against the cost and complexity of the repair. If your vehicle is still under warranty, check with your dealership to see if the replacement is covered. If you're not experiencing any issues but want to prevent future problems, consider having the camshaft inspected and replaced as preventative maintenance.

Details:

Fast same day shipping. Genuine GM Engine Camshaft - 12703450 Silverado, Sierra.

part #: 12703450 prices

• $455.07-$493.28

specifications cashalif:

• for models: Ct4, Silverado, Sierra
• for years: 2019-2023
• brand: Gm
• mpn: 12703450
• parts included: Only Part Reference 19 On The Diagram Is Included
• fitment type: Direct Replacement
• genuine oem: Yes
• make: Chevrolet
• material: Steel
• vintage part: No
• type: Camshaft
• ipn: 12663563
• year: 2019 2020 2021 2022 2023
• finish: Brushed
• country of origin: Mexico
• upc: 193468980950

shipping cashalif:

• carrier: USPS
• transit: 3-8 Days
• type: Fixed
• class: Standard
• service: USPS Ground Advantage
• cost: $16.99

returns cashalif:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

payments cashalif:

• credit card: Diners-club
• other
• wallet: Paypal

seller cashalif:

• rating: 99.0%
• # reviews: 4537
• city: Brownsville, Texas

general cashalif:

• condition: Used
• Engines Engine Parts > Valvetrain Components > Camshafts

offer cashalif:

• started: October 29, 2025
• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• best offers: True

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