G- GSI / SRI
Explore our full range of engine components for the Vauxhall Astra G, including the performance-driven GSi and SRi models. From pistons, bearings, and gaskets to upgraded camshafts and turbo parts, every product is chosen for OE quality and reliability. Whether you’re maintaining a daily driver or enhancing a track build, our range ensures the right fit and performance. All backed by Nevlock’s 20+ years of specialist automotive experience.
Showing 1–100 of 131 results
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Z20LEH/LET Basic rod job kit
£470.00 – £600.00 Select options This product has multiple variants. The options may be chosen on the product page -
Z20LEX Upper timing cover ( LEH/LET/LER )
£25.00 Add to basket -
Z20LET FRONT WATER PIPE 90423689 ASTRA ZAFIRA GSI SRI
Select options This product has multiple variants. The options may be chosen on the product page -
VAUXHALL Z20LET Z20LEH ROCKER / CAM COVER INC GASKET GSI SRI VXR GENUINE
£120.00 Add to basket -
Turbo fitting kit K04/K06 Astra VXR/GSI
£60.00 Add to basket -
VAUXHALL Z20LET Z20LEH GATES RACING TIMING BELT KIT WITH/WITHOUT WATERPUMP
£165.00 – £190.00 Select options This product has multiple variants. The options may be chosen on the product page -
VAUXHALL Z20LET Z20LEH TIMING BELT KIT WITH/WITHOUT WATERPUMP
£80.00 – £120.00 Select options This product has multiple variants. The options may be chosen on the product page -
Nevlock performance 90mm air filter red/black
£45.00 Select options This product has multiple variants. The options may be chosen on the product page -
VAUXHALL Z20LET Z20LEH ELRING HEAD GASKET SET AND BOLTS GSI SRI VXR
£65.00 Add to basket -
Vauxhall astra zafira turbosmart recirc
£135.00 Add to basket -
Vauxhall Astra/Zafira VXR/GSI exhaust manifold studs and nuts
£30.00 Add to basket -
Vauxhall Astra/Zafira VXR/GSI Z20 Bosch coil pack
£100.00 Add to basket -
Sale!
Z20LET & Z20LEH 2.0 16v Turbo Forged Piston Kit
£680.00 – £820.00 Select options This product has multiple variants. The options may be chosen on the product page -
NEVLOCK FAST ROAD CAMSHAFTS PAIR VAUXHALL ASTRA ZAFIRA VXR 2.0 TURBO Z20LET Z20LEH GSI
£100.00 Add to basket -
NEVLOCK SINGLE FAST ROAD CAMSHAFT VAUXHALL ASTRA ZAFIRA VXR 2.0 TURBO Z20LET Z20LEH GSI
£50.00 Add to basket -
Siemens Deka 630cc Injectors Vauxhall VXR Z20LEH Z20LET GSI ASTRA OPEL OPC (4)
£170.00 Read more -
Vauxhall Astra/Zafira VXR/GSI ARP Head Stud Kit
£180.00 Add to basket -
VAUXHALL Z20LET Z20LEH COOL RUNNING THERMOSTAT
£30.00 Add to basket -
VAUXHALL ASTRA ZAFIRA GSI SRI VXR TURBO OIL COOLER PIPES PAIR
£120.00 Add to basket -
K03 K04 TURBO RECIRCULATING BOV DUMP VALVE
£45.00 Read more -
VAUXHALL ASTRA ZAFIRA GSI SRI VXR ARP FLYWHEEL BOLT SET F23 M32
£50.00 Add to basket -
Elring Turbo fitting kit K04/K06 Astra VXR/GSI
£30.00 Add to basket -
VAUXHALL ASTRA ZAFIRA GSI / SRI OUTER CV BOOT
£25.00 Read more -
VAUXHALL Z20LET Z20LEH INA HYDRAULIC LIFTER SET
£105.00 Add to basket -
AEM 340lph In-Tank Fuel Pump Astra Zafira Z20LEH / Z20LET
£130.00 Add to basket -
VAUXHALL ASTRA ZAFIRA GSI / SRI INNER CV BOOT
£35.00 Add to basket -
Sale!
Astra / Zafira Brembo 321mm Brembo Brembo Caliper Adapter
Original price was: £90.00.£75.00Current price is: £75.00. Add to basket -
Astra / Zafira Brembo 321mm Big Brake Kit
£780.00 Add to basket -
Astra / Zafira Brembo 345mm Brembo Brembo Caliper Adapter
£95.00 Add to basket -
Bosch Map Sensor 2.5 Bar
£50.00 Add to basket -
Bosch Map Sensor 3.0 Bar Z20LEX
£50.00 Add to basket -
Bosch Map Sensor 4.0 Bar Z20LEX
£50.00 Add to basket -
CRANKCASE NON RETURN / ONE WAY VALVE
£29.00 Read more -
ASTRA GSI/VXR SPARK PLUGS NGK X 4 HEAT RANGE 6
£48.00 Add to basket -
Siemens Deka 875cc Injectors Vauxhall VXR Z20LEH Z20LET GSI ASTRA OPEL OPC (4)
£175.00 Read more -
Astra / Zafira Brembo 321 / 345mm Hel Front Brake Line Pair For Brembo Calipers
£55.00 Add to basket -
SUMP GASKET LOWER
£15.00 Add to basket -
SUMP GASKET UPPER
£20.00 Add to basket -
SUMP GASKETS UPPER & LOWER
£35.00 Add to basket -
ASTRA GSI/VXR ACL RACE BEARING SET STD
£50.00 – £130.00 Select options This product has multiple variants. The options may be chosen on the product page -
SUMP GASKET LOWER WITH OIL LEVEL SENSOR SEAL
£19.00 Add to basket -
POWERFLEX FRONT LOWER ENGINE MOUNT INSERT ASTRA ZAFIRA GSI PFF80-810
£28.44 Add to basket -
ASTRA GSI/VXR SPARK PLUGS NGK X 4 HEAT RANGE 7
£58.00 Add to basket -
ASTRA GSI/VXR FORGE KIT
£1,000.00 Select options This product has multiple variants. The options may be chosen on the product page -
ASTRA GSI/VXR STD MAHLE RINGS 86.00MM SET OF 4
£85.00 Add to basket -
ASTRA GSI/VXR REAR LAMBDA SENSOR
£75.00 Add to basket -
Vauxhall Astra/Zafira VXR/GSI uprated top hat valve stem seals with rocker cover gasket & Piper springs
£240.00 Add to basket -
Vauxhall Astra/Zafira VXR/GSI OIL PUMP GASKET
£9.00 Add to basket -
ASTRA GSI/VXR FRONT LAMBDA SENSOR
£75.00 Add to basket -
Sale!
Astra / Zafira Brembo Hel Braided Front Brake Line Pair For Factory Calipers
Original price was: £55.00.£46.00Current price is: £46.00. Add to basket -
VAUXHALL ASTRA ZAFIRA MK4 MK5 GSI SRI VXR SUMP PAN BOLT KIT
£25.00 Add to basket -
Vauxhall clutch plate to flywheel bolt 90470712
£3.50 Add to basket -
Bosch Z20LEH 80MM MAF sensor ( Astra/Zaf VXR )
£165.00 Read more -
ASTRA GSI/VXR Z20 OE MAHLE Oil filter
£6.00 Add to basket -
Turbo Washer / Spacer Plate K04/K06 Astra VXR/GSI
£30.00 Add to basket -
VAUXHALL ASTRA H MK5 ZAFIRA B MK2 SUSPENSION STRUT TOP MOUNT BEARING KIT
£45.00 Add to basket -
Z20LET / Z20LEH EXHAUST MANIFOLD GASKET
£12.00 Add to basket -
Z20LET / Z20LEH TURBO OIL RETURN GASKET
£5.00 Add to basket -
VAUXHALL ASTRA H MK5 ZAFIRA B MK2 SUSPENSION STRUT TOP PLASTIC CLIP X 2
£5.00 Add to basket -
VAUXHALL ASTRA H MK5 ZAFIRA B MK2 SUSPENSION STRUT TOP MOUNT BEARING KIT
£30.00 Add to basket -
Bosch Z20LEH Z20LET crank sensor
£39.00 Add to basket -
Z20LEH / Z20LET OIL PUMP PICK UP SEAL
£5.00 Add to basket -
ASTRA GSI/VXR FULL FORGE KIT WITH PISTONS
£1,400.00 Select options This product has multiple variants. The options may be chosen on the product page -
Z20LEH Z20LET SKF WATERPUMP ASTRA ZAFIRA GSI SRI
£45.00 Add to basket -
Z20LEH / Z20LET FRONT BREATHER PIPE TO BLOCK GASKET
£4.00 Add to basket -
Astra / Zafira VXR Hel Braided Clutch Line
£55.00 Add to basket -
Z20LEH / Z20LET FULL ENGINE GASKET SET WITH BOLTS
£120.00 Add to basket -
Z20LEH / Z20LET ATHENA 1.3MM HEAD GASKET
£120.00 Add to basket -
VAUXHALL C20LET C20XE FORGE KIT
£950.00 Select options This product has multiple variants. The options may be chosen on the product page -
Astra / Zafira Brembo 321mm Big Brake Kit Pad Fitting Kit
£20.00 Add to basket -
Astra / Zafira Brembo 321mm Big Brake Kit Replacement Pads
£55.00 Add to basket -
Astra 2.0 turbo MAHLE BIG AND MAIN BEARING SET STD
£48.00 Add to basket -
Z20LEH / Z20LET CAMSHAFT SEAL
£2.50 Add to basket -
Siemens Deka 875cc Injectors with AEM 340LPH Fuel Pump
£290.00 Read more -
Siemens Deka 630cc Injectors with AEM 340LPH Fuel Pump
£285.00 Read more -
VAUXHALL Z20LET Z20LEH ELRING HEAD GASKET
£30.00 Add to basket -
Opel / Vauxhall C20XE / C20LET / Z20LET & Z20LEH 2.0 16v Turbo A-Beam Wossner Connecting Rod Kit
£500.00 Add to basket -
Opel / Vauxhall C20XE / C20LET / Z20LET & Z20LEH 2.0 16v Turbo H-Beam Wossner Connecting Rod Kit
£500.00 Add to basket -
BOSCH Z20LEH Z20LET KNOCK SENSOR
£50.00 Add to basket -
C20XE / C20LET / Z20LET & Z20LEH 2.0 16v Turbo H-Beam Nevlock Performance Connecting Rod Kit
£350.00 Add to basket -
Z20LEH FRONT WATER PIPE 55559604 ASTRA ZAFIRA VXR
£25.00 Select options This product has multiple variants. The options may be chosen on the product page -
Vauxhall Astra/Zafira VXR/GSI INJECTOR SEALS
£20.00 Add to basket -
Vauxhall Astra/Zafira VXR/GSI ARP Standard Conrod Bolt Kit M9
£100.00 Add to basket -
ASTRA GSI/VXR FORGE KIT WITH PISTONS
£1,200.00 Select options This product has multiple variants. The options may be chosen on the product page -
Z20LEH / Z20LET FULL ENGINE GASKET SET WITH BOLTS AND RETAINER STEM SEALS
£130.00 Add to basket -
Z20LEH / Z20LET / FRONT CRANKSHAFT SEAL OEM
£12.00 Add to basket -
Z20LEH / Z20LET / C20XE REAR CRANKSHAFT SEAL OEM
£12.00 Add to basket -
Vauxhall Astra/Zafira VXR/GSI ARP FORGED Conrod Bolt Kit
£90.00 Add to basket -
Astra / Zafira Brembo 345mm Big Brake Kit Replacement Pads
£65.00 Add to basket -
VAUXHALL ASTRA ZAFIRA VXR OEM LUK FLYWHEEL BOLT SET M32
£14.00 Add to basket -
Z20LEH / Z20LET Gasket Seal ByPass Housing Cylinder Head Rear
£5.00 Add to basket -
VAUXHALL ASTRA ZAFIRA VXR GSI core plugs
£7.00 Add to basket -
VAUXHALL ASTRA ZAFIRA GSI F23 DRIVESHAFT SEALS
£24.00 Add to basket -
VAUXHALL ASTRA ZAFIRA VXR Z20LEH OIL PRESSURE SPRING
£20.00 Add to basket -
VAUXHALL F23 GEARBOX DIFF BEARINGS AND SEALS LSD
£50.00 Add to basket -
VAUXHALL ASTRA ZAFIRA VXR Z20LEH THROTTLE BODY O RINGS
£10.00 Add to basket -
Vauxhall Astra MK4 – Astra G (1998 – 2004) – – Universal Exhaust Mount (EXH016)
£14.22 Add to basket -
Vauxhall Astra MK4 – Astra G (1998 – 2004) – – Universal Exhaust Mount (EXH022)
£13.56 Add to basket -
Vauxhall Astra MK4 – Astra G (1998 – 2004) – – PowerAlign Wheel Mounting Guide Pin (PF99-512-15)
£28.44 Add to basket -
Vauxhall Astra MK4 – Astra G (1998 – 2004) – – Front Anti Roll Bar Mounting Bush 18mm (PFF80-1003-18)
£45.24 Add to basket
