Engine Rebuild Parts

Porsche Engine Bearings, Pistons and Internal Engine Components

Rebuilding the internal structure of a Porsche engine requires correctly matched components manufactured to precise tolerances. Design911 supplies a wide range of Porsche engine rebuild parts covering the complete rotating and valvetrain assemblies, suitable for both partial repairs and full engine rebuilds. This includes critical items such as engine shell bearings, piston rings, pistons and cylinders and connecting rods, all supplied as Genuine Porsche or OEM-approved components. 

Bottom end rebuilds are supported with precision parts including crankshafts and crankcase components designed to maintain correct oil clearance, balance and long-term reliability. For top end engine work, Design911 offers a complete selection of cylinder heads and camshaft covers, camshaft covers and gaskets and performance camshafts, allowing accurate valve timing and dependable operation across all Porsche models.

Why Buy Porsche Engine Rebuild Parts from Design911

• Specialist Expertise: Over 25 years of experience supplying Porsche engine parts and rebuild components. 
• Extensive Stock: More than half a million Porsche parts available, including IMS components, gaskets, bearings, pistons and internal engine parts. 
  
• Dedicated Support: A knowledgeable team providing fast assistance by phone or email. 
  
• Free UK Delivery: Free delivery on orders over £200, with worldwide shipping including Europe and beyond. 
  
• Trusted by Porsche Owners: Over 110,000 Porsche enthusiasts trust Design911. View Trustpilot reviews.

Order your Porsche engine rebuild parts with confidence,  or call us for advice and fitting options

Porsche IMS Bearings, Timing Chains and Tensioner Systems

Correct timing is critical to Porsche engine reliability, particularly on models affected by intermediate shaft design. Design911 supplies a full range of Porsche IMS bearings and components developed to address known wear points and support long-term engine durability during rebuilds and preventative maintenance. 

Alongside IMS solutions, we stock complete timing system components including timing chains and tensioners designed to maintain accurate valve timing and consistent chain tension throughout the engine’s operating range. Supporting drive systems are covered with engine rebuild belts, tensioners and rollers, ensuring correct belt tracking, reduced vibration and reliable auxiliary operation.

For comprehensive rebuilds, Design911 also supplies related sealing and protection parts such as timing covers and gaskets, helping to prevent oil contamination and premature wear. All timing and IMS components are offered as Genuine Porsche or OEM-approved parts to ensure correct fitment, longevity and factory-correct engine behaviour.

Engine Rebuild Parts for All Porsche Models

Whatever your Porsche model, Design911 supplies engine rebuild parts tailored to your vehicle:

• Porsche 911 (classic models, 996, 997, 991)
• Porsche Boxster and Cayman
• Porsche Cayenne
• Porsche Macan
• Porsche Panamera
• Porsche Taycan
• Porsche 924, 928, 944, 968 and more

Whether you are carrying out a partial engine repair, replacing worn components or planning a complete engine rebuild, find the correct parts easily by model and engine specification.

IMS Bearing Replacement and Porsche Engine Reliability

Maintaining Porsche engine reliability starts with addressing known wear points, particularly on models equipped with an intermediate shaft. Design911 supplies a full range of IMS bearings and intermediate shaft components designed to support preventative maintenance and long-term engine durability on affected Porsche engines.

Why Replace the IMS Bearing

• Improved Engine Longevity: Replacing worn IMS components helps reduce the risk of engine failure on Porsche 986, 996 and early 997 models.
• Improved Reliability Under Load: Correct replacement parts help maintain stability under normal driving conditions and during higher engine loads.
• Correct Fitment and Compatibility: Design911 IMS components are supplied as Genuine Porsche or OEM-approved parts, ensuring correct alignment, lubrication and compatibility with factory engine geometry.
• Peace of Mind for Owners: Replacing the IMS bearing during an engine rebuild or clutch replacement helps protect the engine and preserve long-term vehicle value.

Design911 offers IMS-related components suitable for inspection, replacement or preventative servicing, allowing owners and workshops to address this critical area with confidence.

Complete Engine Rebuild Kits and Specialist Tools 

For customers planning a full engine rebuild or major engine work, Design911 offers complete engine rebuild kits and specialist engine tools to simplify the process and ensure consistency across all components. Engine rebuild kits typically combine essential parts such as gaskets, seals, bearings and fasteners, helping reduce the risk of mismatched components and repeated downtime. 

Alongside rebuild kits, Design911 supplies a wide range of Porsche engine specialist tools designed specifically for Porsche engines. These tools support accurate disassembly, measurement and installation of internal components, including timing systems, crankshafts and cylinder heads. Using the correct tools helps protect precision parts and ensures work is carried out to Porsche-recommended standards.

Whether you are an experienced workshop or a knowledgeable enthusiast, sourcing engine rebuild kits and specialist tools from a single supplier helps streamline the rebuild process and improve overall reliability.