M157 / M278 Head Bolt - One Time Use. A full set to secure your cylinder head.
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2013 Mercedes Benz SL63 AMG Base Convertible 231.474 V8 5.5L Engine Mechanical Parts
- Camshaft
- Connecting Rod
- Crankshaft
- Cylinder Head
- Engine Block
- Oil Pan
- Oiling System
- Pistons
- Valve Cover
M157 / M278 Head Bolt - One Time Use - Twenty (20) Required Per Engine
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Commonly used on M113K and M157 Engine Builds
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Intake Side - Right
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This product was last offered at the strikethrough price on
04-15-2026
Exhaust Side - Left
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from engine # 60 000523 from 02/04/12
Transmission End
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14mm - Does not include new sealing washer
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Two (2) to Four (4) Required Per Vehicle based on engine. Includes new seal.
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This product was last offered at the strikethrough price on
05-29-2026
(1) One Required Per Vehicle
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Protective sacrificial harness intended to prevent solenoid oil leakage from contaminating the main engine harness and engine control unit.
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Protective sacrificial harness intended to prevent solenoid oil leakage from contaminating the main engine harness and engine control unit.
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For repair or changing valve in the cylinder head
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Control Solenoid - Directional Control Valve
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