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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Ap Caliper Rear RH for Defender 90 Discovery 1 Range Rover Classic | SMC500110G
AP Driveline
£103.89 Inc. VAT£86.57 Ex. VATThis rear right hand brake caliper is designed for Defender 90 1983-2006, Discovery 1, and Range Rover Classic models. Featuring hydraulic pistons, it ensures effective braking by squeezing the brake pads against the discs when the brake pedal is applied...SMC500110G£103.89 Inc. VAT£86.57 Ex. VAT -
Ap Caliper Rear LH for Defender 90, Discovery 1, Range Rover Classic AP Driveline | SMC500240G
AP Driveline
£104.29 Inc. VAT£86.91 Ex. VATThis rear left hand brake caliper is designed for Defender 90 1983-2006, Discovery 1, and Range Rover Classic. Featuring hydraulic pistons, it ensures effective braking by pressing brake pads against the discs. Over time, pistons may seize or seals leak,...SMC500240G£104.29 Inc. VAT£86.91 Ex. VAT -
R380 Gearbox Layshaft Bearing for Defender, Discovery Timken | TZZ100200
Timken
£31.49 Inc. VAT£26.24 Ex. VATThis R380 Gearbox Layshaft Bearing is designed for use in Defender models from 1983 to 2006 and Discovery 1 models from 1989 to 1998, as well as Discovery 2 1998-2004 and Range Rover P38 1995-2002. Manufactured by Timken, this bearing supports smooth...TZZ100200£31.49 Inc. VAT£26.24 Ex. VAT -
O Ring for Transfer Box Gear Change Housing Assembly for Defender, Discovery 1, Discovery 2, Range Rover Classic | FRC5473
Direct Replacement
£0.29 Inc. VAT£0.24 Ex. VATThis O Ring is designed for use in the transfer box gear change housing assembly, suitable for Defender models from 1983 to 2006, Discovery 1 from 1989 to 1998, Discovery 2 from 1998 to 2004, and Range Rover Classic from 1971 to 1994. It effectively...FRC5473£0.29 Inc. VAT£0.24 Ex. VAT -
RTC1718 - Defender/Discovery 1 Main Bearing Set - Standard | King
KING
£33.49 Inc. VAT£27.91 Ex. VATDefender/Discovery 1 main bearing set - standard. 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): RTC1718 FUEL TYPE:...RTC1718£33.49 Inc. VAT£27.91 Ex. VAT -
Oil Pump Lock Washer for Defender 200TDi, Discovery 1, Range Rover Classic | 244487
Direct Replacement
£2.59 Inc. VAT£2.16 Ex. VATThis Oil Pump Lock Washer is designed for use with 200TDi engines in Defender, Discovery 1, and Range Rover Classic models. It ensures secure fastening of the oil pump components, preventing loosening under vibration and maintaining engine reliability...244487£2.59 Inc. VAT£2.16 Ex. VAT -
Rocker Arm LH for 300TDi Defender, Discovery 1, Range Rover Classic| ERR3342
Direct Replacement
£5.29 Inc. VAT£4.41 Ex. VATThis 300TDi Rocker Arm Left Hand is designed for use with Defender, Discovery 1, and Range Rover Classic models equipped with the 300TDi engine. It is a reliable replacement part that fits vehicles from the early 1980s through the mid-2000s, ensuring...ERR3342£5.29 Inc. VAT£4.41 Ex. VAT -
Layshaft Taper Roller Bearing for Defender/Discovery 1
Direct Replacement
£25.59 Inc. VAT£21.32 Ex. VATDefender/Discovery 1 layshaft taper roller bearing. SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: Defender, 1983-2006 Discovery 1, 1989-1998 Discovery 2 L318, 1998-2004 Range Rover Classic, 1971-1994 Range Rover P38, 1995-2002 EQUIVALENT TO LAND ROVER...FTC2385£25.59 Inc. VAT£21.32 Ex. VAT -
OEM Transmitter Plip from for Freelander to 433MHZ for Defender 90/110, Discovery Freelander 1| YWX101220G
OEM Parts
£103.29 Inc. VAT£86.07 Ex. VATThis OEM transmitter plip is designed for use with Defender, Discovery 1, and Freelander 1 models, covering years from 1983 to 2006 for Defender, 1989 to 1998 for Discovery 1, and 1997 to 2006 for Freelander 1. Operating at 433MHz for Europe, this key...YWX101220G£103.29 Inc. VAT£86.07 Ex. VAT -
KAM 4.75 Crown Wheel & Pinion Front Long Nose Rover Diff for Defender, Discovery 1, Discovery 2, Range Rover Classic | KAM546
Kam
£220.99 Inc. VAT£184.16 Ex. VATThe KAM 4.75 Crown Wheel & Pinion Front Long Nose Rover Diff is designed for use with Defender, Discovery 1, Discovery 2 1998-2004, and Range Rover Classic models. This front differential component ensures reliable performance and durability for your...KAM546£220.99 Inc. VAT£184.16 Ex. VAT -
Inlet Manifold Gasket for Defender, Discovery 1, Discovery 2, Range Rover Classic & P38 Petrol V8 3.5, 3.9 & 4.0 OEM | LKJ500020G
OEM Parts
£18.19 Inc. VAT£15.16 Ex. VATThis inlet manifold gasket is designed for petrol V8 engines with 3.5, 3.9, and 4.0 litre capacities, suitable for Defender, Discovery 1, Discovery 2, Range Rover Classic, and Range Rover P38 models. It creates a reliable seal between engine components...LKJ500020G£18.19 Inc. VAT£15.16 Ex. VAT -
Inlet Manifold Gasket for Defender, Discovery 1, Discovery 2 and Range Rover Classic & P38 Petrol V8 3.5, 3.9 & 4.0 | LKJ500020
Direct Replacement
£10.69 Inc. VAT£8.91 Ex. VATThis inlet manifold gasket is designed for petrol V8 engines with 3.5, 3.9, and 4.0 litre capacities, suitable for Defender, Discovery 1, Discovery 2, Range Rover Classic, and Range Rover P38 models. It creates a reliable seal between the inlet manifold...LKJ500020£10.69 Inc. VAT£8.91 Ex. VAT