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Porsche > 996 (911) (1997-2005) > Engine Rebuild Parts >

Engine Rebuild Kit

Engine Rebuild Kit

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DISPLAYING 1 to 4 (of 4 products)
Short block engine for Porsche 996 3.4L M96.01 / 02 / 04 - 996100996TX, 996100996
2
Short block engine for Porsche 996 3.4L M96.01 / 02 / 04
Special Order item
996100996TX
Product Information
Product Information
Short engine comprising of crankcase, connecting rods, crankshaft, oil pump, timing chains. The engine block is sold on an exchange
exchange
porsche

Please note:
Reconditioned units are sold on an exchange basis, A surcharge of £5870.49 will be held and then refunded when the old one is returned.

Fits:
M96.01 / M96.02 / M96.04
Porsche 996 3.4L Manual
Porsche 996 3.4L Tiptronic


    PLEASE NOTE:
  • The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
  • Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
  • Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
  • All surcharges and exchanges are subject to our terms and conditions.




Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

996100996TX
996100996TX
996100996

The product you are viewing cross references to these numbers
Short block engine for Porsche 996 3.4L M96.01 / 02 Cars with X51 - 996100951tx, 996100951
2
Short block engine for Porsche 996 3.4L M96.01 / 02 Cars with X51
Special Order item
996100951TX
Product Information
Product Information
Short engine comprising of crankcase, connecting rods, crankshaft, oil pump, timing chains. The engine block is sold on an exchange
exchange
porsche

Please note:
Reconditioned units are sold on an exchange basis, A surcharge of £5985.57 will be held and then refunded when the old one is returned.

Fits:
M96.01 / M96.02 cars with factory X51
Porsche 996 3.4L X51 Manual
Porsche 996 3.4L X51 Tiptronic


    PLEASE NOTE:
  • The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
  • Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
  • Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
  • All surcharges and exchanges are subject to our terms and conditions.




Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

996100951TX
996100951tx
996100951

The product you are viewing cross references to these numbers
Short block engine for Porsche 996 3.6L M96.03 - 996100996UX, 996100996
Short block engine for Porsche 996 3.6L M96.03
Special Order item
996100996UX
Product Information
Product Information
Short engine comprising of crankcase, connecting rods, crankshaft, oil pump, timing chains. The engine block is sold on an exchange
exchange

porsche

Please note:
Reconditioned units are sold on an exchange basis, A surcharge of £6446.00 will be held and then refunded when the old one is returned.

Fits:
M96.03
Porsche 996 3.6L Manual
Porsche 996 3.6L Tiptronic


    PLEASE NOTE:
  • The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
  • Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
  • Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
  • All surcharges and exchanges are subject to our terms and conditions.




Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

996100996UX
996100996UX
996100996

The product you are viewing cross references to these numbers
Short block engine for Porsche 996 3.6L M96.03 car with X51 - 996100996XX, 996100996
Short block engine for Porsche 996 3.6L M96.03 car with X51
Special Order item
996100996XX
Product Information
Product Information
exchange
Short engine comprising of crankcase, connecting rods, crankshaft, oil pump, timing chains. The engine block is sold on an exchange

porsche

Please note:
Reconditioned units are sold on an exchange basis, A surcharge of £6446.00 will be held and then refunded when the old one is returned.

Fits:
M96.03 cars with X51
Porsche 996 3.6L X51 Manual
Porsche 996 3.6L X51 Tiptronic


    PLEASE NOTE:
  • The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
  • Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
  • Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
  • All surcharges and exchanges are subject to our terms and conditions.




Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

996100996XX
996100996XX
996100996

The product you are viewing cross references to these numbers
DISPLAYING 1 to 4 (of 4 products)
Also found on these pages
About Engine Rebuild Kit

Complete Engine Rebuild Kits for Restoring Power, Reliability & Long-Term Performance

Engine rebuild kits provide all the essential components needed to restore, refresh or fully overhaul your Porsche engine. These kits are designed to replace worn or failing internal parts, restore proper sealing, and return the engine to optimal running condition. Whether you're addressing age-related wear, oil leaks, low compression, overheating, unusual noises or a full performance rebuild, a complete engine rebuild kit ensures every critical component is replaced with high-quality parts engineered for durability and precision.

Suitable for classic, modern and high-performance Porsche engines, these kits provide a cost-effective, reliable and comprehensive solution for both DIY engine builders and professional workshops.

What Engine Rebuild Kits Do

Engine rebuild kits play a vital role in restoring engine functionality and performance by including the major components needed to:

  • Replace worn seals and gaskets to stop leaks and restore proper sealing
  • Renew pistons, rings or bearings (depending on kit type)
  • Stabilise engine compression, improving power and efficiency
  • Rebuild top-end and bottom-end components during full overhauls
  • Restore correct oil pressure with refreshed lubrication components
  • Improve engine reliability, eliminating weak points caused by age
  • Prepare the engine for performance upgrades or forced-induction builds

A well-designed rebuild kit ensures a balanced, precise and long-lasting engine restoration.

Why Engines Fail Over Time

Even the best-engineered engines degrade due to natural wear and demanding operating conditions. Common causes of engine deterioration include:

  • Worn piston rings, leading to low compression
  • Bearing fatigue, causing bottom-end knock or oil pressure loss
  • Age-related gasket failure, resulting in oil and coolant leaks
  • Heat cycling, weakening materials and sealing surfaces
  • Poor lubrication or oil starvation, damaging internal surfaces
  • Carbon buildup, affecting combustion and valve performance
  • Overheating, causing cylinder scoring or warped components

These issues often prompt rebuilds to restore performance and prevent catastrophic engine damage.

Why You Should Replace Worn Components with a High-Quality Engine Rebuild Kit

Upgrading with a precision-engineered engine rebuild kit designed to meet or exceed original performance specifications ensures long-lasting reliability and performance.

Key benefits include:

  • Restored power and smoother engine operation
  • Proper sealing to eliminate oil leaks and coolant loss
  • Reduced oil consumption and improved combustion efficiency
  • Increased engine lifespan through refreshed internal components
  • Peace of mind for classic or high-mileage engines
  • Better performance foundation for tuning, remapping or turbo upgrades
  • Protection against future mechanical failures

A rebuild kit is the most efficient and cost-effective way to bring an ageing or troubled engine back to life.

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