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Details
| Specification | Value |
|---|---|
| Brand | TRW |
| MPN | db4021 |
| Drum diameter [mm] | 200 mm |
| Outer brake drum diameter [mm] | 229 mm |
| max. brake drum reboring dimension [mm] | 201 mm |
| Inner brake drum height [mm] | 38 mm |
| Total brake drum height [mm] | 56 mm |
| Centering Diameter [mm] | 57 mm |
| Bolt Hole Circle Ø [mm] | 100 mm |
| Bore Diameter 1 [mm] | 14.5 mm |
| Bore Diameter 2 [mm] | 10.5 mm |
OE numbers (4)
Where this part fits
Original-fit position for OE 568058. The red ring marks where this part installs on the vehicle.
About this product
When brake drum performance matters, the TRW DB4021 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Drum diameter [mm]: 200 mm, Outer brake drum diameter [mm]: 229 mm, max. brake drum reboring dimension [mm]: 201 mm, Inner brake drum height [mm]: 38 mm, Total brake drum height [mm]: 56 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with HOLDEN, OPEL, VAUXHALL vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 08848, 0 986 477 021, 100952, 14471810 and 41 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TRW is a recognised supplier of automotive braking components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Brake Drum buying guide
Why replace this part?
The brake drum provides the friction surface against which the brake shoes press to slow the vehicle. Scored, cracked, or excessively worn drums reduce braking effectiveness and generate heat and noise that accelerates shoe wear.
Signs you need a replacement
- Pulsating or grabbing rear brakes
- grinding or scraping noise from the rear when braking
- deep scoring visible on the drum friction surface
- drum thickness below minimum specification
- vibration from the rear under braking
When to replace
Measure drum diameter at each brake service. Replace when worn to minimum specification or when scoring depth exceeds 0.5mm. Always replace as an axle pair.
About TRW
TRW Automotive, with roots dating back to 1901 in Cleveland, USA, is a global leader in safety-critical automotive components, now part of ZF Friedrichshafen. TRW specialises in brake pads, brake discs, steering components, suspension parts, and engine valves. As an OE supplier to virtually all major global car manufacturers, TRW products meet the highest safety and performance standards. Trusted by vehicle makers for over a century, TRW delivers braking and steering components that prioritise safety without compromise.
Suitable cars
Equivalent products (42)
Show all 42 OE numbers
Brake Drum TRW DB4021 — compatible car models
| Car models | HOLDEN: ASTRA Hatchback (TR), ASTRA Saloon (TR); OPEL: ASTRA F CLASSIC Hatchback (T92), ASTRA F CLASSIC Saloon (T92), ASTRA F Convertible (T92), ASTRA F Estate (T92), ASTRA F Hatchback (T92), ASTRA F Saloon (T92), GT, KADETT D (31-34, 41-44), KADETT D (32,37,39, 42), KADETT D Estate (35, 36, 45, 46) (+6 more); VAUXHALL: ASTRA, ASTRA Hatchback, ASTRA Mk II Belmont (T85), ASTRA Mk II Convertible (T85), ASTRA Mk II Estate (T85), ASTRA Mk II Hatchback (T85), ASTRA Mk III (F) Hatchback (T92), ASTRA Mk III (F) Saloon (T92), ASTRA Mk IV (G) Saloon (T98) |
|---|---|
| Engines | 1.6 CD; 1.4 i (M08, M68, F08, F68); 1.4 i (F19, M19); 1.4 i 16V; 1.4 (F35, M35); 1.4 (F08, M08, F68, M68); 1.4 i 16V (F19, M19); 1.1; 1.0; 1.2; 1.3 N (C25, D25); 1.4 i; 1.3 i Cat (C15, C35, D15, D35); 1.3 N (C70, D70); 1.2 (C08, C48, D08, D48) (+5 more) |
| Year of manufacture | 1968-2005 |
| Manufacturer article number (MPN) | DB4021 |
| OE part numbers | 5 68 053, 5 68 058, 90086194, 90193915 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TRW db4021 . Bolt Hole Circle Ø [mm]: 100 mm. Bore Diameter 1 [mm]: 14,5 mm. Bore Diameter 2 [mm]: 10,5 mm. Centering Diameter [mm]: 57 mm. Drum diameter [mm]: 200 mm. Inner brake drum height [mm]: 38 mm. max. brake drum reboring dimension [mm]: 201 mm. Number of Holes: 4
- 1x Brake Drum
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 4–8 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Brake Drum compatible with my car?
This Brake Drum fits HOLDEN, OPEL, VAUXHALL vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this TRW Brake Drum have?
This TRW Brake Drum has the following specifications: Drum diameter [mm]: 200 mm; Outer brake drum diameter [mm]: 229 mm; max. brake drum reboring dimension [mm]: 201 mm; Inner brake drum height [mm]: 38 mm; Total brake drum height [mm]: 56 mm; Number of Holes: 4. Check the full specifications table above for complete details.
What OE part numbers does this Brake Drum replace?
This Brake Drum replaces OE part numbers: 5 68 053, 5 68 058, 90086194, 90193915. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Brake Drum cost?
This TRW Brake Drum is available for £26.99. Brake Drum prices vary depending on brand, specifications, and vehicle compatibility. TRW parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Brake Drum?
Watch for a grinding or scraping noise when braking, the vehicle pulling to one side, a pulsating brake pedal, or visible scoring and heat cracks on the drum surface. Replace when worn beyond the maximum diameter stamped on the drum.
What tools do I need to replace a Brake Drum?
Tools needed: floor jack and axle stands, lug wrench, brake drum puller (if seized), wire brush, brake cleaner, torque wrench. Difficulty: Moderate DIY. Safety warning: Brake dust inside drums on older vehicles may contain asbestos -- wear an approved respirator and do not use compressed air to clean.
Can I use this part as a replacement for OE 5 68 053?
Yes, this TRW Brake Drum is a direct replacement for OE part number 5 68 053. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
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