Shop 1999 Buick Century Engine Valve Cover. 4.6 LITER. STS; Left. XLR; Left - OEM Buick Part # 12591264 (12589229)

1ST design. 2ND design. 4. 6 liter.

Left.4.6 LITER. Valve cover.

4. 6 liter.

Right.4.6 LITER. Valve cover.

Oil pan. Variable valve timing. & 5. STS; Exhaust; Left. STS; Exhaust; Right. STS; Intake; Left. STS; Intake; Right. Sts; Left; 2WD. Sts; Left; awd. Sts; No. 1. Sts; No. 3. STS; Primary. Sts; Right; 2WD. Sts; Right; awd. STS; Secondary. Sts; Stamped 12569092. Sts; Stamped 12584582.

STS; Left.