Engine Internals

Uprated ARP Rod Bolts for 1.9, 1.6 & 2.0 TDI PD, PPD & CR Engines These ARP rods bolts are a common upgrade that can be used with the standard conrods on all big and small journal TDi engines Please Note: These ARP bolts are not...

New Common Rail / PD Oil Squirter Spray Jet - 038103157C / 038103157B These PD / CR Oil Squirters are commonly used as an upgrade for big power VE engine builds, the larger jets allow more oil to squirt up under the piston to offer maximum cooling. These...

Stock Replacement Pistons for 1.9 8v TDi Engines These pistons are a Direct Replacement for the Standard Pistons found in the 1.9 TDi Engines We have Standard Size, 0.25 or 0.5mm Oversize Pistons available Please enter your VIN details in the box...

 2.0 16v TDI PD140 / PPD170 Pistons These pistons are a Direct Replacement for the Standard Pistons found in the VW Golf Mk5, Jetta, Audi A3 PD140 but will also fit the 2.0 16v TDi Passat & Audi A4 as well as the later PD170...

 Pistons for 2.5 / 2.7 / 3.0 TDI V6 Engines These pistons are a Direct Replacement for the Standard Pistons found in the 2.5 / 2.7 and 3.0 TDI V6 engines This is for a set of 6 Pistons including: Piston Ring SetGudgeon/Wrist PinsCirclips Please...

 Pistons for 1.6 / 2.0 TDI 16v Common Rail Engines These pistons are a Direct Replacement for the Standard Pistons found in the 1.6 / 2.0 VW Golf Mk6, Jetta, Audi A3 etc but will also fit the 2.0 16v CR Audi A4 / A6 etc as well This is for a set of...

Genuine 12.9 Mains Bolts for MK7 TDI Engines These are the Genuine 12.9 Grade Mains Bolts which are used to secure the crank caps, holding the crankshaft in the block. These bolts are unavailble to purchase from VW for the Mk7 Platform...

Genuine Rod Bolts for 1.9 TDI 8v & 2.0 TDI 16v (Set of 8) These rods bolts can be used with the standard Con Rods on all Big Journal TDi engines PLEASE NOTE! - There are two types of rods and rods bolts so please check before...

Piston Machining Service for 1.9 / 2.0 8v VAG TDi Pistons Darkside Developments are able to custom machine your pistons to allow for higher lift cams and lowered compression. Lowered compression is vital if you are running significant amounts of...

Piston Machining Service for VAG 1.6 & 2.0 16v TDI PD, PPD & Common Rail Pistons Darkside Developments are able to custom machine your pistons to allow for higher lift cams and lowered compression. Lowered compression is vital if you are...

1.9 & 2.0 TDI Complete Thrust Bearing Kit These Thrust Bearings should be replaced when changing the Rod Bearings, there are 2 for each middle cylinder (4 in total) VW Part Number 026 198 421  -  026198421 This will fit the cars...

Genuine PD150 Rod Bolts for 1.9 & 2.0 TDI PD & CR Engines These rods bolts can be used with the standard Con Rods on most 1.9 / 2.0 TDi engines 8x Genuine Rod bolts Tightening Torque Settings:Stage 1 - 30 NmStage 2 - 90° VW Part Numbers...