Discovery 1
JGS4x4 – Parts and Accessories Suitable for Discovery 1 (1989–1998)
JGS4x4 are authorised stockists of Britpart and Allmakes 4x4, supplying a wide range of quality parts and accessories compatible with Land Rover Discovery 1 models. Our range includes genuine parts, OEM-quality replacements, and reliable aftermarket options to maintain, repair, or upgrade all Discovery 1 vehicles from 1989 to 1998.













At JGS4x4, we specialise in providing premium parts and accessories for the Discovery 1, ensuring that every off-road adventure is supported by the highest quality automotive components. Our extensive range includes durable, OEM-quality replacements and aftermarket upgrades designed specifically for Land Rover and 4x4 vehicles. Whether you’re looking to enhance your vehicle's off-road capability or simply maintain its reliability, our parts are crafted to meet the rigorous demands of rugged terrain. From robust suspension kits that improve handling and stability on uneven surfaces to high-performance brake systems that ensure your safety on steep descents, we have everything you need to keep your Discovery 1 performing at its best.
Our products are designed for seamless compatibility, allowing for easy installation and a perfect fit, so you can trust that your upgrades will work harmoniously with your vehicle’s existing systems. We understand that 4x4 enthusiasts seek not only functionality but also durability; that’s why we source parts made from high-quality materials that stand the test of time, even in the harshest conditions. Additionally, our selection includes essential maintenance items that help prolong the life of your vehicle, enhancing its overall performance and reliability.
With JGS4x4, you can ensure your Discovery 1 remains capable, safe, and ready for any adventure that lies ahead. Explore our collection and experience the ultimate transformation of your vehicle, backed by our commitment to excellence and customer satisfaction. Whether you’re upgrading for performance or simply replacing worn-out parts, JGS4x4 has the expertise and quality products that every Discovery owner needs to conquer the trails with confidence..
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Cylinder Head Bolt - Long for Defender/Discovery 1
OEM Parts
£1.69 Inc. VAT£1.41 Ex. VATDefender/Discovery 1 cylinder head bolt - long. SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: Defender, 200Tdi, 1983-2006 Discovery 1, 200Tdi, 1989-1994 Range Rover Classic, 200Tdi, 1971-1994 EQUIVALENT TO LAND ROVER PART NUMBER(S): ETC8809 There are...ETC8809£1.69 Inc. VAT£1.41 Ex. VAT -
ERR1939 - Defender/Discovery 1 Cylinder Head Bolt | OEM
OEM Parts
£1.59 Inc. VAT£1.32 Ex. VATDefender/Discovery 1 cylinder head bolt. SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: Defender, 300Tdi, 1983-2006 Discovery 1, 300Tdi, 1989-1998 Range Rover Classic, 300Tdi, 1971-1994 EQUIVALENT TO LAND ROVER PART NUMBER(S): ERR1939 There are many...ERR1939£1.59 Inc. VAT£1.32 Ex. VAT -
Cylinder Head Without Valves for Defender and Discovery 1 300Tdi | OEM - LDF500180
AMC
£515.39 Inc. VAT£429.49 Ex. VATCylinder Head Without Valves for 300Tdi, suitable for Defender and Discovery 1. Branded OEM quality. VEHICLE COMPATIBILITY:DefenderDiscovery 1Range Rover Classic NOTE: 300Tdi EQUIVALENT TO OR RELATED PART NUMBER(S):ERR5027, LDF500180, LDF500180G JGS4x4...LDF500180G£515.39 Inc. VAT£429.49 Ex. VAT -
Crankshaft Sprocket for Defender, Discovery 1, Range Rover V8 3.5, 3.9 & 4.0 1983 | ERR2958
Direct Replacement
£5.19 Inc. VAT£4.32 Ex. VATThis crankshaft sprocket is designed for use with V8 3.5, 3.9, and 4.0 petrol engines fitted in Defender, Discovery 1, Discovery 2 1998-2004, Range Rover Classic, Range Rover P38 1995-2002, and Series 3 1971-1985 models. It is a reliable replacement part...ERR2958£5.19 Inc. VAT£4.32 Ex. VAT -
RTC478310 - Defender/Discovery 1 Crankshaft Main Bearing Set | King
KING
£16.89 Inc. VAT£14.07 Ex. VATDefender/Discovery 1 crankshaft main bearing set. SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: Defender, 1983-2006 Discovery 1, 1989-1998 Range Rover Classic, 1971-1994 EQUIVALENT TO LAND ROVER PART NUMBER(S): RTC478310 FUEL TYPE: Diesel Bearings...RTC478310£16.89 Inc. VAT£14.07 Ex. VAT -
Defender/Discovery 1 Crankshaft Gear
Direct Replacement
£46.59 Inc. VAT£38.82 Ex. VATDefender/Discovery 1 crankshaft gear. SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: Defender, 200Tdi, 1983-2006 Discovery 1, 200Tdi, 1989-1994 Range Rover Classic, 200Tdi, 1971-1994 EQUIVALENT TO LAND ROVER PART NUMBER(S): ERR1642 JGS4x4 can supply all...ERR1642£46.59 Inc. VAT£38.82 Ex. VAT -
Defender/Discovery 1 Core Plug Front Of Cylinder Head
OEM Parts
£0.89 Inc. VAT£0.74 Ex. VATDefender/Discovery 1 core plug front of cylinder head. SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: Defender, 1983-2006 Discovery 1, 1989-1998 Range Rover Classic, 1971-1994 EQUIVALENT TO LAND ROVER PART NUMBER(S): 602289 JGS4x4 can supply all the...602289£0.89 Inc. VAT£0.74 Ex. VAT -
Cylinder Head Core Plug for Defender and Discovery 1 300Tdi - 525497
Direct Replacement
£0.39 Inc. VAT£0.32 Ex. VATCylinder Head Core Plug for 300Tdi, suitable for Defender and Discovery 1. VEHICLE COMPATIBILITY:DefenderDiscovery 1Range Rover Classic NOTE: 300Tdi EQUIVALENT TO OR RELATED PART NUMBER(S):525497 JGS4x4 is here to help keep your Land Rover running at...525497£0.39 Inc. VAT£0.32 Ex. VAT -
Thermostat for V8 for Defender 88 Degrees| ETC4765
Direct Replacement
£5.39 Inc. VAT£4.49 Ex. VATThis 88-degree thermostat is designed for V8 engines in Defender models from 1983 to 2006, Discovery 1 from 1989 to 1998, Range Rover Classic from 1971 to 1994, and Series 3 from 1971 to 1985. It regulates the flow of coolant from the engine to the...ETC4765£5.39 Inc. VAT£4.49 Ex. VAT -
Coolant Elbow Gasket for Defender/Discovery 1
Direct Replacement
£0.79 Inc. VAT£0.66 Ex. VATDefender/Discovery 1 coolant elbow gasket. SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: Defender, 1983-2006 Discovery 1, 1989-1998 Range Rover Classic, 1971-1994 Series 3, 1971-1985 EQUIVALENT TO LAND ROVER PART NUMBER(S): ERR2429 FUEL TYPE: Petrol The...ERR2429£0.79 Inc. VAT£0.66 Ex. VAT -
Con Rod To Crank Bearing Set Standard for Defender 2.5, 2.5 NA, 300TDI | RTC2993
Direct Replacement
£11.99 Inc. VAT£9.99 Ex. VATThis Con Rod To Crank Bearing Set Standard is designed for use with Defender models equipped with 2.5, 2.5NA, 300TDI, and 2.5 Petrol engines from 1983 to 2006. The bearing set ensures smooth rotation of the connecting rod to the crankshaft, reducing...RTC2993£11.99 Inc. VAT£9.99 Ex. VAT -
Valve Cap for Defender 2.5 200TDI, 300TDI, Discovery 1, Range Rover Classic | ETC4068
OEM Parts
£2.19 Inc. VAT£1.82 Ex. VATThis Valve Cap is designed for use with Defender models featuring 2.5 Petrol, 200TDI, and 300TDI engines, Discovery 1 with 200TDI and 300TDI engines, and Range Rover Classic equipped with 200TDI and 300TDI engines. It is a high-quality part suitable for...ETC4068£2.19 Inc. VAT£1.82 Ex. VAT