Land Rover Hardware & Fasteners

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PET000030 - Water Manifold Gasket – 4.4 V8 Petrol

- €7,30

€7,30

€7,30 - €7,30

€7,30

Aftermarket

30 in stock

Water Manifold Gasket for the BMW M62 B44 4.4L V8 petrol engine. Seals the coolant distribution manifold to the engine block, maintaining a leak-fr...

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About this collection

The role of fasteners in Land Rover service and restoration

A Land Rover is held together by several thousand individual fasteners. Bolts, nuts, washers, clips, and rivets carry structural loads across the chassis, suspension, body, and drivetrain. On vehicles used off-road, towed regularly, or stored outdoors, these components see vibration, repeated load cycles, and exposure to mud, road salt, and water. Replacing them with the correct grade and coating during service or rebuild work is part of keeping the vehicle safe and rattle-free.

The Series I, II, and III generation use a mix of imperial Whitworth and UNF threads from the 1948 to 1985 production run, switching to metric on some later Series III assemblies. Defender, Discovery, Range Rover, and Freelander production from 1989 onwards uses metric throughout, with ISO 898-1 property class markings (8.8, 10.9, 12.9) standard across the range. This collection groups fasteners by application: chassis and structural mounts, suspension and steering linkages, body panels and bulkhead, brake and underbody, and interior trim. Use the filter to narrow by model or part category.

Categories on this page

Hardware categories on this page

Five main groups cover the parts in this collection.

Bolts, nuts, and studs. Standard threaded fasteners across the vehicle. Suspension arm bolts, engine mount studs, gearbox crossmember bolts, body-to-chassis mounts. Grade is selected to ISO 898-1 property classes: 8.8 and 10.9 are the most common in chassis and suspension applications on Defender, Discovery, and Range Rover, with 12.9 used where higher tensile strength is required. Stainless variants (A2 and A4) appear in body and interior locations where corrosion resistance matters more than peak tensile strength.

Washers and spacers. Plain washers, spring washers, locking washers, and shim spacers. These distribute clamping load, prevent galling on softer surfaces, and resist loosening from vibration. Mismatched or missing washers are a common cause of post-rebuild rattles and slow joint fatigue.

Clips, clamps, and rivets. Wiring harness clips, hose and pipe clamps, body panel rivets, and bulkhead fixings. The Freelander 1 and Freelander 2 use a high proportion of plastic clip fixings on the interior trim and underbonnet wiring; most are single-use and break on removal. Rivets are non-serviceable once set and must be drilled out to remove.

Fixing kits. Pre-grouped sets of fasteners for specific repair sections. Bulkhead repair kits, door hinge sets, body mount kits, suspension rebuild kits. Useful where a single specification list covers an entire repair area and individual SKU lookup would be slow.

Specialist fixings. Torque-to-yield bolts, single-use stretch bolts, lock nuts with metal or nylon inserts, and vibration-resistant hardware. These are called out in the Land Rover workshop manual for specific applications and should be replaced with new parts rather than reused.

Selection guide

Selecting the right hardware grade and coating

Three rules cover most situations.

For load-bearing chassis, suspension, and drivetrain work, use property class 8.8 or 10.9 carbon-steel bolts unless the workshop manual specifies a different grade. Property class 12.9 is reserved for applications where the manual calls for it. Carbon-steel bolts in exposed underbody locations need a corrosion-resistant coating: zinc plating is the most common, with phosphate or geomet coatings used where coating thickness matters for torque accuracy.

For body panels, interior fittings, and any joint between dissimilar metals, A2 (304-grade) or A4 (316-grade) stainless is the standard choice. A4 has better salt-water resistance and is the better option for coastal use or recovery vehicles.

For brake and steering hardware, follow the manual. These are safety-critical and frequently specify exact part numbers rather than generic grade equivalents. Mixing a stainless bolt into a brake assembly is rarely correct.

Pro Tip

When ordering hardware for a Series I, II, or early Series III, confirm thread standard before adding to cart. Imperial Whitworth and UNF threads dominate on pre-1980 production, and modern metric replacements will not engage correctly. Restoration suppliers typically list thread standard alongside the part description, so check before ordering.

Critical Safety Rule

Mixing materials matters. Stainless and aluminium in direct contact, with road salt as the electrolyte, sets up galvanic corrosion that eats the aluminium. Anti-seize paste or dielectric grease at the joint slows this significantly.

Reference Note

Fastener property class designations (8.8, 10.9, 12.9, A2, A4) are defined in the ISO 898-1 mechanical properties standard, which sets minimum proof load, tensile strength, and hardness requirements for each class.

Before you order

Before you order: pre-purchase fitment checks

Four checks reduce the risk of ordering the wrong fastener for the job.

Confirm thread standard. Series I, II, and pre-1980 Series III use imperial Whitworth and UNF threads. Defender from 1983 onwards, Discovery, Range Rover, and Freelander use metric. Replacing a Series-era bolt with a metric equivalent of the same diameter will cross-thread the original mating part.
Confirm grade marking on the original part. The head of a carbon-steel bolt carries the property class number (8.8, 10.9, 12.9). Match the replacement to the original unless the workshop manual specifies an upgrade. Mixing grades in a torqued joint changes the load distribution.
Check whether the bolt is marked single-use in the workshop manual. Torque-to-yield bolts on suspension, drivetrain, engine, and brake assemblies must be replaced with new parts. The manual identifies these per assembly. If you do not have access to the manual, default to new bolts on any joint that carries road load.
Check the kit contents against the joint inventory. Fixing kits group fasteners by repair section, but the exact contents vary by supplier. Before ordering a bulkhead kit, body mount kit, or suspension rebuild kit, list the fasteners the job needs and confirm the kit covers them. Crush washers, locking washers, and special-grade nuts are the most commonly missed items.

Cross-category use

Where these parts apply across the vehicle

Hardware in this collection is used throughout Land Rover and Range Rover vehicles. Common applications by category:

Chassis and body mount bolts, bulkhead fixings, crossmember repair section hardware: see Land Rover chassis and body parts for the structural parts these fasteners join. Series chassis rebuilds and Defender bulkhead repairs both draw heavily on this combination.
Control arm bolts, anti-roll bar drop link nuts, ball joint pinch bolts, shock absorber mounts: see Land Rover suspension parts. Suspension overhaul work on the Discovery 3, Discovery 4, Range Rover L322, and Range Rover Sport L320 commonly pairs new arms with new pinch bolts and castle nuts.
Caliper bracket bolts, hub carrier fixings: see Land Rover brake parts.
Pre-assembled hardware sets included with major service jobs: see Land Rover service kits. Td5 and TDV6 service jobs frequently include sump bolt crush washers and rocker cover gasket fasteners that are easy to miss when ordering individually.
Wheel studs and wheel bolts are listed in their own collections: Land Rover wheel studs and Land Rover wheel bolts.

Technical Guides

Technical guides

Three guides cover repair areas where hardware selection and torque specification matter for the result.

Discovery 2 rear crossmember

The rear crossmember is a known corrosion point and a regular APK failure cause. Repair sections fit with new fasteners and require the right grade for the load path.

Discovery 2 rear crossmember repair guide

Ball joint replacement

Ball joint work on Discovery 3, Discovery 4, and Range Rover Sport involves pinch bolts, castle nuts, and cotter pins that are commonly single-use. Diagnostic guide covers symptoms and replacement hardware.

Land Rover ball joint diagnosis and replacement

Defender 90 endurance prep

Restoration and off-road preparation work brings the full hardware inventory into play: chassis fixings, body mount renewals, recovery point bolts, spare hardware to carry.

Defender 90 off-road prep and spares guide

FAQ

Frequently asked questions

When should I use Genuine or OEM fasteners rather than aftermarket?

For load-bearing and safety-critical fasteners (suspension, brakes, steering, drivetrain mounting), use Genuine or OEM. These are produced to Land Rover's material grade, dimensional, and torque tolerance specifications, which matters for joints that carry road load or yield under torque. For non-critical body and interior fixings (trim clips, panel screws, low-load brackets), well-specified aftermarket fasteners that match the original property class and coating are commonly used and perform reliably. The deciding factor is the load path, not the brand on the box.

How do ISO 898-1 grades like 8.8, 10.9, and 12.9 translate into bolt strength?

ISO 898-1 specifies minimum tensile and yield strength for each property class. Grade 8.8 carbon-steel bolts have a minimum tensile strength of 800 MPa and minimum yield strength of 640 MPa in the M5 to M16 range. Grade 10.9 minimum tensile is 1040 MPa, and grade 12.9 minimum tensile is 1220 MPa. For Land Rover chassis and suspension applications the workshop manual normally specifies 8.8 or 10.9. Grade 12.9 is reserved for applications that explicitly call for it.

Do Series Land Rovers use the same fasteners as Defender and Discovery?

No. Series I, II, and pre-1980 Series III production uses imperial Whitworth and UNF threads inherited from the 1948 to 1985 production run. Defender from 1983 onwards, Discovery from 1989, Range Rover, and Freelander all use metric threads to ISO standards. Imperial and metric of the same nominal diameter look similar but will cross-thread if mixed. Restoration suppliers list thread standard alongside Series-era parts; confirm before ordering.

Can I reuse old bolts and nuts when refitting parts?

Some can be reused, some cannot. Many factory bolts in suspension, drivetrain, and engine mounting positions are torque-to-yield: they stretch into their plastic deformation range when first torqued and lose accuracy if reused. The Land Rover workshop manual marks these as single-use. Standard non-yield bolts in low-stress positions can usually be reused if threads, head, and shank are undamaged and any locking compound is cleaned off.

What's the difference between zinc-plated, stainless steel, and black oxide fasteners?

Zinc plating gives carbon-steel bolts moderate corrosion resistance and is the most common coating on underbody Land Rover hardware. Stainless steel (A2 grade is 304, A4 grade is 316) gives higher corrosion resistance and is preferred for body panels, interior fittings, and coastal-use vehicles, with A4 being the better choice for salt-air exposure. Black oxide is a thin conversion coating used mainly on interior and low-exposure parts; it offers minimal corrosion protection on its own and is usually paired with an oil film.

How do I stop galvanic corrosion where stainless or zinc-plated hardware meets aluminium?

Galvanic corrosion happens when two metals with different electrochemical potentials sit in direct contact with an electrolyte (water with road salt or mud). Aluminium loses material to steel under those conditions. To slow it down: clean both surfaces before assembly, apply anti-seize paste or dielectric grease at the contact face, and where possible use a nylon or fibre washer to isolate the two metals. This is especially relevant on alloy suspension components and aluminium body panels secured by steel hardware.

What's in a fixing kit, and when is one worth buying instead of individual fasteners?

A fixing kit groups every fastener needed for a specific repair section into a single bagged set. Common examples include bulkhead repair kits, body mount renewal kits, door hinge sets, and suspension overhaul kits. Kits are worth buying when a single repair touches multiple fastener types and sizes: it removes the SKU-by-SKU lookup, ensures the right grade is used across the joint set, and usually costs less than buying each fastener individually. For single-bolt replacements, individual parts are normally the better route.

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