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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Needle Roller Bearing for LT77 Mainshaft 1st / 2nd Gear for Defender, Discovery 1 and Range Rover Classic| FRC5679
Direct Replacement
£8.59 Inc. VAT£7.16 Ex. VATThis needle roller bearing is designed for the LT77 mainshaft, supporting the 1st and 2nd gear operation in Defender, Discovery 1, and Range Rover Classic models. It ensures smooth rotation of components by reducing friction, contributing to the reliable...FRC5679£8.59 Inc. VAT£7.16 Ex. VAT -
Defender/Discovery 1 Mounting Rubber
Direct Replacement
£37.79 Inc. VAT£31.49 Ex. VATDefender/Discovery 1 mounting rubber. 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): ANR2488 JGS4x4 have an...ANR2488£37.79 Inc. VAT£31.49 Ex. VAT -
Manifold Locking Washer for Defender, Discovery | ERC7321
Direct Replacement
£0.99 Inc. VAT£0.82 Ex. VATThis manifold locking washer ERC7321 is designed for use with Defender models from 1983 to 2006, Discovery 1 models from 1989 to 1998, and Range Rover Classic V8 models from 1971 to 1994. It serves as a locking plate for the manifold, ensuring nuts and...ERC7321£0.99 Inc. VAT£0.82 Ex. VAT -
Clip for Clutch Release Arm on for Defender, Discovery 1, Discovery 2, Range Rover Classic| 571163
Direct Replacement
£1.89 Inc. VAT£1.57 Ex. VATThis clip is designed for the clutch release arm on Defender, Discovery 1, Discovery 2 1998-2004, and Range Rover Classic. It is a reliable component used to fix and attach various parts securely. Made from durable materials, this clip ensures proper...571163£1.89 Inc. VAT£1.57 Ex. VAT -
Baulk Ring for 3rd/4th and 5th/Reverse for R380, & 2, P38 for Defender, Discovery 1, Discovery 2, Range Rover Classic OEM | FTC5018G
OEM Parts
£19.99 Inc. VAT£16.66 Ex. VATThis Baulk Ring is designed for use in the mainshaft of Defender, Discovery 1, Discovery 2, and Range Rover Classic models spanning various years. It fits transmissions requiring a baulk ring for 3rd/4th and 5th/Reverse gears, compatible with R380 and...FTC5018G£19.99 Inc. VAT£16.66 Ex. VAT -
Mainshaft Baulk Ring FrontC3584G for Defender, Discovery | FTC3584G
Direct Replacement
£26.19 Inc. VAT£21.82 Ex. VAT/ Mainshaft Baulk Ring FTC3584G is designed for use in Defender and Discovery 1 models, covering production years from 1983 to 2006 for Defender and 1989 to 1998 for Discovery 1. This baulk ring is essential for smooth gear changes in the R380 gearbox,...FTC3584G£26.19 Inc. VAT£21.82 Ex. VAT -
Defender/Discovery 1 Mainshaft - STC1889
Direct Replacement
£179.49 Inc. VAT£149.57 Ex. VATDefender/Discovery 1 mainshaft. 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): STC1889 JGS4x4 can supply all the engine and transmission...STC1889£179.49 Inc. VAT£149.57 Ex. VAT -
Mainshaft for LT77 Gearbox for Defender, Discovery 1, and Range Rover Classic | FTC1446
Direct Replacement
£150.49 Inc. VAT£125.41 Ex. VATThis mainshaft is designed for the LT77 gearbox, suitable for Defender models from 1983 to 2006, Discovery 1 from 1989 to 1998, and Range Rover Classic from 1971 to 1994. It fits either 50A or 56A gearboxes with suffix F or G, providing a reliable...FTC1446£150.49 Inc. VAT£125.41 Ex. VAT -
Defender/Discovery 1 Main Bearing Set 020(LC)
Direct Replacement
£16.29 Inc. VAT£13.57 Ex. VATDefender/Discovery 1 main bearing set 020(LC). SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: Defender, 2.5 Diesel/2.5 Turbo Diesel/200Tdi/300Tdi, 1983-2006 Discovery 1, 200Tdi/300Tdi, 1989-1998 Range Rover Classic, 200Tdi/300Tdi, 1971-1994 EQUIVALENT TO...RTC478320£16.29 Inc. VAT£13.57 Ex. VAT -
STC4299G - Defender/Discovery 1 Main Bearing Set | Federal Mogul
Federal Mogul
£56.49 Inc. VAT£47.07 Ex. VATDefender/Discovery 1 main bearing set. SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: Defender, 1983-2006 Discovery 1, 1989-1998 Discovery 2 L318, V8, 1998-2004 Range Rover P38, V8, 1995-2002 EQUIVALENT TO LAND ROVER PART NUMBER(S): STC4299 Bearings...STC4299G£56.49 Inc. VAT£47.07 Ex. VAT -
STC429910G - Defender/Discovery 1 Main Bearing Set | Glyco
GLYCO
£55.79 Inc. VAT£46.49 Ex. VATDefender/Discovery 1 main bearing set. SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: Defender, 1983-2006 Discovery 1, 1989-1998 Discovery 2 L318, V8, 1998-2004 Range Rover P38, V8, 1995-2002 EQUIVALENT TO LAND ROVER PART NUMBER(S): STC429910 Bearings...STC429910G£55.79 Inc. VAT£46.49 Ex. VAT -
Defender/Discovery 1 Main Bearing Set
Direct Replacement
£21.89 Inc. VAT£18.24 Ex. VATDefender/Discovery 1 main bearing set. SUITABLE FOR THE FOLLOWING LAND ROVER MODELS: Defender, 1983-2006 Discovery 1, 1989-1998 Discovery 2 L318, V8, 1998-2004 Range Rover P38, V8, 1995-2002 EQUIVALENT TO LAND ROVER PART NUMBER(S): STC4299 Bearings...STC4299£21.89 Inc. VAT£18.24 Ex. VAT