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Caterpillar C15, C16, C18, C27, C32 Head Bolt, 1241855
$11.45
MSRP: $20.97
You Save: $9.52 (45 %)
Part Number: 149089
Brand: CTP
Manufacturer Part No: 1241855
Superior Quality Parts: Heavy Duty Pros parts meet and exceed the OEM quality specifications.
Fast Shipping: We ship from warehouses across the US to ensure the quickest delivery.
Expert Technical Advice: Industry repair technicians are standing by to provide expert advice for your repair.
Huge Savings: We offer competitive online pricing for significant savings.
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Product Details & Specifications
Caterpillar 3406, C15, C16, C18, C27, C32 Head Bolt, 1241855, 9X8904
3/4" - 16 x 7.638" - 12 Point Head
Did you know All Caterpillar C series engines require that the used head bolts be discarded and replaced with new head bolts every time there is a repair.
The way Torque-To-Yield bolts work is simple; the bolts are longer and thinner when compared to early bolt designs. When these bolts get torqued (tightened) to yield meaning to almost the breaking point, the bolts will stretch. This stretching (like a spring) provides a constant clamping force on the cylinder head.
Why you should never reuse TTY head bolts: Used TTY (Torque-To-Yield) head bolts will snap in the process of re-torqueing the cylinder head. If they do not snap, the already permanently stretched bolts will stretch even further and rapidly lose clamping load. The loss of clamping load could ultimately lead to head gasket failure.
When an engine operates, the cylinder head expands as it heats up and contracts when it cools down. The spring like clamping force of the TTY bolts allows for this expansion and contraction without losing the clamping pressure on the cylinder head, and thus maintaining the sealing integrity of the head gasket.
Our Caterpillar parts are made with premium OEM quality materials to ensure strength and durability. We design and manufacture these parts to withstand the extreme conditions found in todays heavy duty equipment.
OEM Cross References: 124-1855, 1241855, 9X-8904, 9X8904
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