Enginetech ER411

Rocker arm Enginetech ER411 for Buick, Oldsmobile, Pontiac, Chevrolet and other engines, 1970–1987. Stamped steel rocker arm, left-hand version, for Buick V6 (3.0, 3.2, 3.8, 4.1) and Buick V8 350 / 455 engines – used with the right-hand ER410 and the ERM412 retainer.

• Typestamped rocker, left-hand
• Materialstamped steel
• Used withER410. ERM412
• Sold as1 piece

Fits

• Buick – 181 (3.0 L) V6: 1982–85 · 196 (3.2 L) V6: 1978–79 · 231 (3.8 L) V6: 1975–87 · 252 (4.1 L) V6: 1980–84 · 350 (5.7 L) V8: 1970–80 · 350 (5.7 L) V8 (Buick): 1978–80 · 455 (7.5 L) V8: 1970–76
• Oldsmobile – 181 (3.0 L) V6: 1982–85 · 231 (3.8 L) V6: 1975–87 · 252 (4.1 L) V6: 1981–84 · 350 (5.7 L) V8: 1973–77
• Pontiac – 229 (3.8 L) V6: 1979–81 · 231 (3.8 L) V6: 1976–78, 1982–87 · 252 (4.1 L) V6: 1982 · 350 (5.7 L) V8: 1975–76, 1978–80
• Chevrolet – 194 (3.2 L) V6: 1978–79 · 196 (3.2 L) V6: 1978–79 · 229 (3.8 L) V6: 1980–85 · 231 (3.8 L) V6: 1978–81, 1986–87
• GMC – 229 (3.8 L) V6: 1980–84 · 231 (3.8 L) V6: 1978–79
• Cadillac – 252 (4.1 L) V6: 1980–82
• Jeep – 350 (5.7 L) V8: 1970–71

Interchange numbers

Other brands: Melling MRK-542L

OE numbers: GM 1241851

Manufacturer part number: Enginetech ER411.