Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 12555630 Engine Cylinder Head. It is sometimes referred to as GM Cylinder Head. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance.
Affordable, reliable and built to last, GM part # 12555630 Engine Cylinder Head stands out as the smart option. GMPartsGiant.com is your prime online source with the biggest and best selection of genuine GM parts and accessories at giant discounted prices. We have the OEM GM parts and accessories you need at the wholesale prices. GMPartsGiant.com has you covered no matter what type of GM vehicle you drive.
×
My Garage
My Account
My Cart
Make sure this part fits your vehicle
Cadillac 12555630 Engine Cylinder Head
- Part DescriptionHead,Cyl
- ManufacturerGeneral Motors
$449.11 MSRP: $713.03 1
You Save: $263.92 (38%)
Ships in 1-3 Business Days
Bolt/Screw, Valve Rocker Cover10201396
Grommet,Valve Rocker Arm Cover Bolt10201395
Key,Valve Stem24503856
Rod Assembly, Valve Push10241740
Seal,Oil Filler Cap(O Ring)24100002
Spring,Valve10212811
Stud, Exhaust Manifold12550726
Support, Spark Plug Wire12555948
Valve Asm,Pcv19303069
Wire Set,Spark Plug19351573
Product Specifications
| Brand | Genuine Cadillac |
| Manufacturer Part Number | 12555630 |
| Part Description | Head,Cyl |
| Other Names | Cylinder Head |
| Item Dimensions | 23.2 x 9.6 x 8.6 inches |
| Item Weight | 34.60 Pounds |
| Condition | New |
| Fitment Type | Direct Replacement |
| Manufacturer | General Motors |
| SKU | 12555630 |
| Warranty | This genuine GM part is guaranteed by GM's factory warranty. |
| Shipping & Return | Shipping Policy Return Policy |
Warning: California’s Proposition 65
Customer Questions & Answers
- Q:What steps should be completed after installing the cylinder heads for the 2004 Chevrolet Blazer? Posted by Customer
- A:Complete the remaining installation steps in reverse, change the engine oil and filter, and check for leaks when starting the engine.Posted by GMPartsGiant Specialist
- See expert answers on similar Cylinder Head
- Q:What components need to be removed before taking off the cylinder head for the 2001 Chevrolet Blazer? Posted by Customer
- A:Before taking off the cylinder head, you need to remove the drive belt, upper fan shroud, fan/clutch assembly, water pump pulley, upper radiator hose, heater hose, coolant temperature sensor's electrical connector, thermostat housing, air cleaner assembly, intake manifold (depending on the model year), dipstick tube, alternator, bracket, air conditioning compressor, power steering pump, and their shared bracket.Posted by GMPartsGiant Specialist
- See expert answers on similar Cylinder Head
- Q:How can the cylinder head be safely lifted off the engine for the 2001 GMC Jimmy? Posted by Customer
- A:To safely lift the cylinder head off the engine, you should outline the cylinders and bolt pattern on cardboard and mark the front of the engine. Then, loosen the head mounting bolts in 1/4-turn increments and store them in the cardboard holder. Carefully lift the head off the engine, and if it is stuck, only pry it at the overhang on the thermostat end. Place the head on a block of wood.Posted by GMPartsGiant Specialist
- See expert answers on similar Cylinder Head
- Q:How should the new cylinder head be installed for the 1995 Chevrolet S10? Posted by Customer
- A:To install the new cylinder head, you should position the new gasket over the dowel pins in the block, then place the head on the block without disturbing the gasket. Tighten the bolts, and complete the remaining installation steps in reverse order.Posted by GMPartsGiant Specialist
- See expert answers on similar Cylinder Head
- Q:How should the new gaskets be positioned during installation for the 2010 Chevrolet Silverado? Posted by Customer
- A:The new gaskets should be positioned over the dowel pins during installation.Posted by GMPartsGiant Specialist
- See expert answers on similar Cylinder Head
- Q:How should the new cylinder head gaskets be positioned for the 1994 Chevrolet S10? Posted by Customer
- A:Position new gaskets over dowel pins.Posted by GMPartsGiant Specialist
- See expert answers on similar Cylinder Head
- Q:What should be done to the new cylinder head bolts before tightening them for the 2010 GMC Sierra? Posted by Customer
- A:The threads of the new cylinder head bolts should be coated with a non-hardening sealant before tightening them.Posted by GMPartsGiant Specialist
- See expert answers on similar Cylinder Head
- Q:What precautions should be taken when lifting the cylinder heads from the engine for the 2012 Chevrolet Silverado? Posted by Customer
- A:Lift the head(s) from the engine carefully to prevent damage to mating surfaces. Store the heads on blocks of wood.Posted by GMPartsGiant Specialist
- See expert answers on similar Cylinder Head
- Q:What components need to be removed before taking out the cylinder heads for the 2001 GMC Jimmy? Posted by Customer
- A:The intake manifold, exhaust manifolds, valve covers, and pushrods.Posted by GMPartsGiant Specialist
- See expert answers on similar Cylinder Head
- Q:How should the head bolts be tightened during installation for the 2013 GMC Sierra? Posted by Customer
- A:Tighten the head bolts to specified torque in the recommended sequence.Posted by GMPartsGiant Specialist
- See expert answers on similar Cylinder Head
- Q:How can the cylinder head be safely lifted off the engine for the 2000 GMC Sonoma? Posted by Customer
- A:To safely lift the cylinder head off the engine, you should outline the cylinders and bolt pattern on cardboard and mark the front of the engine. Then, loosen the head mounting bolts in 1/4-turn increments and store them in the cardboard holder. Carefully lift the head off the engine, and if it is stuck, only pry it at the overhang on the thermostat end. Place the head on a block of wood.Posted by GMPartsGiant Specialist
- See expert answers on similar Cylinder Head
- Q:How should the cylinder heads be installed for the 2003 GMC Sonoma? Posted by Customer
- A:Place the cylinder heads and install bolts in their original locations, tightening in several steps.Posted by GMPartsGiant Specialist
- See expert answers on similar Cylinder Head
- Q:Is this a bare head with or with out valves Posted by Customer: 2004 Light Truck Blazer / Jimmy (4WD)
- A:PART NUMBER. 12555630. CYLINDER HEAD. THIS IS A BARE HEAD. FOR 1996-1999. YOU WILL REQUIRE THE FOLLOWING PART NUMBERS. ROCKER ARM WITH STUD. PART NUMBER 12599650. QUANTITY 6. TOGETHER WITH. SUPPORT ROCKER ARM PIVOT. PART NUMBER 12555582. QUANTITY1. PER GM...Posted by GMPartsGiant Specialist 29/7/2022
- Q:Is the cylinder head complete ready to install on my blazer ?? Posted by Customer: 2004 Light Truck Blazer / Jimmy (4WD)
- A:12555630 IS A BARE HEADPosted by GMPartsGiant Specialist 8/11/2021
- Q:Is this a complete cylinder head or just the bare casting? Part Number: 12555630 Posted by Customer: 2003 Light Truck Astro / Safari (AWD)
- A:PART NUMBER. 12555630. CYLINDER HEAD. THIS IS A BARE HEAD. FOR 1996-1999. YOU WILL REQUIRE THE FOLLOWING PART NUMBERS. ROCKER ARM WITH STUD. PART NUMBER 12599650. QUANTITY 6. TOGETHER WITH. SUPPORT ROCKER ARM PIVOT. PART NUMBER 12555582. QUANTITY1.Posted by GMPartsGiant Specialist 13/9/2021
If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!
Genuine GM Part 12555630, the Right Choice
Why choose GM Parts Giant
- Dedicated Service
Your complete satisfaction is our #1 goal
- Lowest Prices
Best deals on genuine OE parts from dealerships
- Fast Delivery
Orders are processed and delivered promptly