2pcs Downstream For 99-02 Chevy Silverado 1500 4.3L V6 O2 Oxygen 02 Sensor Valve Mechanism Front Spring Rate: 6

Front Spring Rate: 6

O-rings included: Yes preinstalled

8T upgrade 1999 -

Compatible for Holden Caprice VQ V8 engine VU 5

Pillow ball Upper Mounts with Rubber Dust Boot Covers and Dual Locking Spring Perch applied

2pcs Downstream For 99-02 Chevy Silverado 1500 4.3L V6 O2 Oxygen 02 Sensor Valve Mechanism Front Spring Rate: 6Fitments: 1998 1999 Chevrolet Astro,1996 1999 Chevrolet C1500,etc. High grade platinum and ceramics,This resulted in a sensor that started sooner and responded faster. This Sensor features double protection layer, aluminum oxide trap layer, porous PTFE filter. It is manufactured with precision to meet OE standards.