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Genuine GMC Jimmy Cylinder Head
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17 Cylinder Heads found
GMC Jimmy Engine Cylinder Head
Part Number: 12555630$447.07 MSRP: $713.03You Save: $265.96 (38%)Ships in 1-3 Business DaysGMC Jimmy Cylinder Head Assembly
Part Number: 12558112$596.22 MSRP: $803.53You Save: $207.31 (26%)Ships in 1-3 Business Days
GMC Jimmy Cylinder Head (W/Studs)
Part Number: 10065219$136.21 MSRP: $1039.79You Save: $903.58 (87%)Ships in 1-2 Business Days
GMC Jimmy Cylinder Head
Part Number: 10065202$395.07 MSRP: $734.23You Save: $339.16 (47%)Ships in 1-2 Business Days
GMC Jimmy Cylinder Head Assembly (W/Studs)
Part Number: 12533558$310.73 MSRP: $491.12You Save: $180.39 (37%)
GMC Jimmy Cylinder Head
The GMC Jimmy Cylinder Head is the cover or roof of the combustion chamber. It allows air fuel in and exhaust out, which is necessary for power and efficiency. The GMC manuals remind them that the Cylinder Head gasket of the Jimmy has to remain intact to avoid coolant loss. It houses the spark plugs as well as the intake and exhaust valves. Moreover, the gasket must properly seal the coolant, oil, and compression passages. Failures here can trigger misfires, overheating, or fluid cross contamination. In order to maintain a reliable seal, single-use torque to yield head bolts are made to stretch. Over the years, the model has undergone two main styles. The traditional cast iron Cylinder Head versions are heavy, durable, yet flow restricted. Newer aluminum Cylinder Head designs are relatively lighter, have greater heat dissipation, and have a reshaped port to allow a stronger airflow, hence increasing horsepower without extra weight. The engine may be made of iron or aluminum. In either case, they can suffer from worn guides, burnt valves, warpage, or cracks that leak fluids and lower performance. Thus, ensuring efficient engine cooling and clean lubrication is crucial. During careful design and practice of torque, GMC keeps the Jimmy running smooth by keeping the Cylinder Head sealed and breathing freely.
Each OEM GMC Jimmy Cylinder Head we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.
GMC Jimmy Cylinder Head Parts Questions & Experts Answers
- Q: What are the steps involved in disassembling and reconditioning a cylinder head for home mechanics on GMC Jimmy?A:New and re-manufactured cylinder heads are usually easily obtainable from vendors, and most stock them for almost all the engines that are available in the current market; it is therefore easier for a home-brew mechanic to purchase a new head instead of going through the tedious process of dismantling the head, only to discover that it cannot be re-used, re-machining it and then re-assembling it. Disassembly means the removal of the intake and Exhaust Valves with their parts; if they are installed, nuts/bolts as well as pivot balls for the dismantling of rocker arms from cylinder head. Small plastic bags should also be used in labeling and storing of valve train parts so that during reassembly the parts can be returned to their proper positions. It is advisable to identify them with numbers or marks and then assemble them in a manner that will allow them to be fitted in the correct valve guides. A valve spring compressor is fitted to compress the spring for the first valve so that the keepers, retainer, shield, springs, valve guide seal, spring seat, and the valve can be removed. If a valve binds in the guide, you have to deburr the region around the keeper groove, sometimes. The same should be done for the other valves; all parts for each valve should be placed together in the same compartment. When all the valves are removed and all are safely stored, the head must also be properly cleaned and evaluated; in the case of a total engine teardown for rebuilding for a total overhaul prior to the cleaning and evaluating of, say, the head, it should be continued.
Related GMC Jimmy Parts
GMC Jimmy Rocker Arm
GMC Jimmy Rocker Shaft Spring Kit
GMC Jimmy Timing Cover
GMC Jimmy Camshaft
GMC Jimmy Intake Valve
GMC Jimmy Exhaust Valve
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