A-Premium Camshaft & Crankshaft Position Sensor 2-Pack — Black OE-Fit for GM Vehicles, 2/3-Pin Terminals

These A-Premium sensors replace the camshaft and crankshaft position sensors in many GM and related vehicles, restoring accurate engine timing and reliable ignition signals.

If your engine is showing rough idle, hard starts, misfires, or an illuminated check engine light tied to crank or cam position codes, a worn sensor pair can often be the culprit. This A-Premium 2-pack includes one camshaft position sensor and one crankshaft position sensor built to match OE fit and electrical connections for wide GM fitments and related models, letting you replace both critical timing sensors at once for troubleshooting or preventive maintenance.

Which vehicles will these A-Premium sensors fit?

These sensors are specified for many General Motors and affiliated platforms from the late 1990s through the mid-2000s. Fitment covers Cadillac, Chevrolet, GMC, Pontiac, Buick, Hummer, Isuzu, and light commercial models—check references and terminal layout against your OEM part numbers.

• Cadillac CTS 2004–2005; Escalade/EXT/ESV early 2000s
• Chevrolet Avalanche, Camaro 1999–2006, Corvette, Silverado, Express vans
• GMC Sierra, Yukon, Envoy, Savana ranges; Hummer H2 2003–2007
• Other fits: Pontiac Firebird/GTO, Buick Rainier, Isuzu Ascender, various NPR models

How do these sensors match the original parts and connectors?

A-Premium designs these replacement sensors to mirror OE terminal types and mounting dimensions so they plug in and fasten like the factory parts. Available terminal configurations include both 2-pin and 3-pin blade styles; confirm your vehicle’s connector type before ordering.

• Terminal options: 3 pins or 2 pins, blade-style terminals
• Color and housing: standard black sensor housings for a factory look
• Boxed packaging with one cam and one crank sensor included

What reference numbers and cross-references should I check?

The listing provides many cross-reference numbers to help you confirm compatibility with your vehicle’s OEM part. Use these reference codes when comparing to your current sensor or a dealer lookup to ensure an exact match.

• Common references: PC273, PC278, PC278T, PC273T
• OEM-style numbers: 12555566, 12560228, 21333, 2351057 and others
• Manufacturer codes and aftermarket equivalents are listed for verification

What warranty and support come with the A-Premium sensors?

A-Premium backs this sensor pair with a one-year unlimited-mileage guarantee, offering replacement support if defects arise under normal use. The coverage aims to give installers and DIYers confidence after fitting the sensors.

• One-year unlimited-mileage guarantee from A-Premium
• Sold in a boxed package with clear terminal configurations
• Suitable for diagnostics, replacement, or paired cam/crank swaps

Who is this for: This 2-pack suits mechanics, fleet technicians, and DIY vehicle owners working on GM and related platforms from the late 1990s through the 2000s who need a dependable camshaft and crankshaft position sensor replacement. If your engine displays timing-related symptoms or you want to replace both sensors during service to eliminate intermittent faults, this A-Premium set provides a cost-effective, cross-referenced option with OE-style terminals and a one-year warranty.