BOMwiki the bill-of-materials encyclopedia
30,441,948 parts mapped · 192,925 items

This page is machine-generated and unverified (what this means). Treat details as provisional. If you know this hardware, weigh in or correct it directly with Edit.

Discussion History

Chassis

Assembly

MacPherson-strut front and torsion-beam rear suspension with rack-and-pinion steering and disc/drum brakes. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Chassis parts and their functions

20 top-level parts · 753 parts in total · full bill of materials below
Chassis parts diagram: 1 MacPherson strut, 2 torsion-beam rear axle, 3 steering rack (EPS), 4 front disc brake, 5 rear drum brake, 6 front subframe, 7 anti-roll bar, 8 anti-roll bar drop link, 9 suspension bushing, 10 brake line, 11 brake master cylinder & booster, 12 ABS hydraulic unit, 13 wheel speed sensor, 14 parking brake cable, 15 handbrake lever, and 5 more. 753 parts in 20 top-level items.
Chassis parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 MacPherson Strut 6 parts 2×
2 Torsion-Beam Rear Axle 4 parts 1×
3 Steering Rack (EPS) 4 parts 1× Electric power steering rack combining the rack and pinion gear, the assist motor, torque sensor, and tie rods.
4 Front Disc Brake 4 parts 2×
5 Rear Drum Brake 3 parts 2×
6 Front Subframe 1× Bolt-on cradle carrying engine and lower arms.
7 Anti-Roll Bar 1× Torsion bar linking the two sides of an axle to reduce body roll.
8 Anti-Roll Bar Drop Link 2× Short link with ball joints connecting the anti-roll bar to the strut or arm.
9 Suspension Bushing 14× Rubber-and-steel bushing at a control arm, subframe or anti-roll bar mount.
10 Brake Line 8× Rigid steel brake pipe run from the master cylinder and ABS unit to each corner.
11 Brake Master Cylinder & Booster 1× Pedal-driven master cylinder with vacuum booster that pressurises the brake circuits.
12 ABS Hydraulic Unit 1× Valve block and pump that modulate brake pressure under control of the ABS module.
13 Wheel Speed Sensor 4× Hall sensor at each hub reading a toothed ring for ABS and stability control.
14 Parking Brake Cable 2× Sheathed cable from the handbrake lever or actuator to each rear brake.
15 Handbrake Lever 1× Ratcheting lever in the centre console that applies the rear brakes mechanically.
16 Chassis Bolt 260× High-strength fasteners for subframe, suspension, steering and brake mounts.
17 Hex Nut 180× Flanged or prevailing-torque hex nut, M6 to M12, mating the body and chassis bolts.
18 Washer 160× Flat or conical spring washer under bolt heads and nuts across the vehicle.
19 Brake Hose 2× rear
20 Cable Tie & Harness Clip 30× brake lines and sensor leads

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Chassis

20 top-level lines · 59 rows shown · 753 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 MacPherson Strut 6 parts hatchback-car-front-strut 2× 2 15 assembly
1.1 Coil Spring coil-spring 1× 2 · part
1.2 Shock Absorber 4 parts shock-absorber 1× 2 4 assembly
1.2.1 Damper Tube damper-tube 1× 2 · part
1.2.2 Piston Rod piston-rod 1× 2 · part
1.2.3 Oil Seal oil-seal 1× 2 · part
1.2.4 Damper Oil shock-oil 1× 2 · part
1.3 Strut Top Mount hatchback-car-strut-mount 1× 2 · part
1.4 Control Arm control-arm 1× 2 · part
1.5 Ball Joint ball-joint 1× 2 · part
1.6 Wheel Hub 3 parts wheel-hub 1× 2 7 assembly
1.6.1 Wheel Hub Bearing hub-bearing 1× 2 · part
1.6.2 Hub Flange hub-flange 1× 2 · part
1.6.3 Wheel Stud wheel-stud 5× 10 · part
2 Torsion-Beam Rear Axle 4 parts hatchback-car-rear-axle 1× 1 25 assembly
2.1 Torsion Beam hatchback-car-torsion-beam 1× 1 · part
2.2 Coil Spring coil-spring 2× 2 · part
2.3 Shock Absorber 4 parts shock-absorber 2× 2 4 assembly
2.3.1 Damper Tube damper-tube 1× 2 · part
2.3.2 Piston Rod piston-rod 1× 2 · part
2.3.3 Oil Seal oil-seal 1× 2 · part
2.3.4 Damper Oil shock-oil 1× 2 · part
2.4 Wheel Hub 3 parts wheel-hub 2× 2 7 assembly
2.4.1 Wheel Hub Bearing hub-bearing 1× 2 · part
2.4.2 Hub Flange hub-flange 1× 2 · part
2.4.3 Wheel Stud wheel-stud 5× 10 · part
3 Steering Rack (EPS) 4 parts steering-rack 1× 1 5 assembly
3.1 Rack Housing rack-housing 1× 1 · part
3.2 Rack & Pinion rack-pinion 1× 1 · part
3.3 EPS Motor steering-motor 1× 1 · part
3.4 Tie Rod tie-rod 2× 2 · part
4 Front Disc Brake 4 parts hatchback-car-front-brake 2× 2 9 assembly
4.1 Brake Caliper 4 parts brake-caliper 1× 2 6 assembly
4.1.1 Caliper Body caliper-body 1× 2 · part
4.1.2 Caliper Piston caliper-piston 2× 4 · part
4.1.3 O-Ring Set oring-set 2× 4 · part
4.1.4 Bleed Screw bleed-screw 1× 2 · part
4.2 Brake Disc (rotor) brake-disc 1× 2 · part
4.3 Brake Pad Set brake-pad-set 1× 2 · part
4.4 Brake Hose brake-hose 1× 2 · part
5 Rear Drum Brake 3 parts hatchback-car-rear-brake 2× 2 4 assembly
5.1 Brake Drum hatchback-car-brake-drum 1× 2 · part
5.2 Brake Shoe hatchback-car-brake-shoe 2× 4 · part
5.3 Wheel Cylinder hatchback-car-wheel-cylinder 1× 2 · part
6 Front Subframe hatchback-car-subframe 1× 1 · part
7 Anti-Roll Bar hatchback-car-anti-roll-bar 1× 1 · part
8 Anti-Roll Bar Drop Link hatchback-car-drop-link 2× 2 · part
9 Suspension Bushing hatchback-car-suspension-bushing 14× 14 · part
10 Brake Line hatchback-car-brake-line 8× 8 · part
11 Brake Master Cylinder & Booster hatchback-car-brake-master 1× 1 · part
12 ABS Hydraulic Unit hatchback-car-abs-unit 1× 1 · part
13 Wheel Speed Sensor hatchback-car-wheel-speed-sensor 4× 4 · part
14 Parking Brake Cable hatchback-car-parking-brake-cable 2× 2 · part
15 Handbrake Lever hatchback-car-handbrake-lever 1× 1 · part
16 Chassis Bolt hatchback-car-chassis-bolt 260× 260 · part
17 Hex Nut hatchback-car-hex-nut 180× 180 · part
18 Washer hatchback-car-washer 160× 160 · part
19 Brake Hose brake-hose 2× 2 · part
20 Cable Tie & Harness Clip hatchback-car-cable-tie 30× 30 · part

Where the chassis is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Hatchback Car

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$200. How estimates work
VendorHQSpecialtyMOQLead time
🇮🇳Bharat Forge
bharatforge.com ↗ 		Pune, IN Forgings & metal parts 500 pcs 6–10 wks
🇨🇳CITIC Dicastal
dicastal.com ↗ 		Qinhuangdao, CN Aluminium castings & wheels 500 pcs 6–10 wks
🇮🇳Tata AutoComp
tataautocomp.com ↗ 		Pune, IN Auto components 500 pcs 6–10 wks
🇸🇬Beyonics
beyonics.com ↗ 		Singapore Precision metal & mfg 500 pcs 6–10 wks
🇮🇳Sundaram Clayton
sundaram-clayton.com ↗ 		Chennai, IN Die castings 500 pcs 6–10 wks