[ Vehicle Fitment ]: Compatible for 2003-2005 GMC Sierra 1500 5.3L; Compatible for 2003-2005 GMC Yukon 5.3L; Compatible for 2003-2005 Chevrolet Silverado 1500 5.3L; Compatible for 2003-2005 Chevrolet Tahoe 5.3L.
[ OEM Part Number ]: SG1857, 234-4668, 15284, 21546. Upstream Downstream General Purpose. OEM direct replacement.
[ Excellent Quality ]: The top is made of nanoscale yttrium-stabilized zirconia solid electrolyte material, which can accurately and sensitively measure the oxygen concentration, ensure the normal efficiently operation of the engine and improve engine response performance. Dual laser-welded stainless steel housing protects against corrosion, resistant to high temperatures, durable and long-lasting.
[ Standard Specification ]: Package Included: 4 x Oxygen Sensor (Upstream and Downstream). ①Type: 4-wire heating. ②Overall Length: 54cm. ③Harness length: 40cm. ④Connector Gender: Female. Each oxygen sensor is pre-coated with anti-sintering agent to avoid sintering of the threads during operation and prolong service life.
[ Warm Tips ]: Please make sure the OE number and plug shape are the same as the original, check the fitment chart to confirm the compatibility.