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Details
| Specification | Value |
|---|---|
| Brand | DT Spare Parts |
| MPN | 3.74046 |
| Thread Size | M16 x 1.5 |
| Stroke [mm] | 75 mm |
| Piston Rod Length [mm] | 227 mm |
| Version | Type 16 |
| Net Weight [g] | 3363 g |
OE numbers (64)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—000 420 9924
- CLAAS—00 0846 328 0
- MERCEDES-BENZ—001 420 0224
- MERCEDES-BENZ—001 420 0624
- MERCEDES-BENZ—001 420 0824
- MERCEDES-BENZ—001 420 0924
- MERCEDES-BENZ—001 420 6224
- MERCEDES-BENZ—001 420 6324
- MERCEDES-BENZ—003 420 1324
- MERCEDES-BENZ—005 420 7518
- MERCEDES-BENZ—006 420 2718
- NEOPLAN—0070.100.16
- MERCEDES-BENZ—007 420 0018
- MERCEDES-BENZ—007 420 0118
- MERCEDES-BENZ—007 420 3118
- BPW—02.032.72.70.0
- SCHMITZ CARGOBULL—051 007
- BPW—05.444.13.01.0
- DAF—0745398
- DAF—0834481
- KRONE—0945157
- SCANIA—1010153
- SCANIA—1912301
- VAN HOOL—3136500Y
- RENAULT / RENAULT KOREA—50 21 170 047
- LIEBHERR—502 96 24 08
- VAN HOOL—637210540
- DAF—745398
- KÖGEL—79537
- MAN—81.51101.6172
- MAN—81.51101.6173
- MAN—81.51101.6174
- MAN—81.51101.6175
- MAN—81.51101.6198
- MAN—81.51101.6221
- MAN—81.51101.6222
- MAN—81.51101.6223
- MAN—81.51101.6225
- MAN—81.51101.6249
- MAN—81.51101.6260
- MAN—81.51101.6266
- MAN—81.51101.6274
- MAN—81.51101.9249
- MAN—81.51101.9260
- DAF—834481
- VOLVO—883351
- KRONE—945157
- MERCEDES-BENZ—A000 420 9924
- MERCEDES-BENZ—A001 420 0224
- MERCEDES-BENZ—A001 420 0624
- MERCEDES-BENZ—A001 420 0824
- MERCEDES-BENZ—A001 420 0924
- MERCEDES-BENZ—A001 420 6224
- MERCEDES-BENZ—A001 420 6324
- MERCEDES-BENZ—A003 420 1324
- MERCEDES-BENZ—A005 420 7518
- MERCEDES-BENZ—A006 420 2718
- MERCEDES-BENZ—A007 420 0018
- MERCEDES-BENZ—A007 420 0118
- MERCEDES-BENZ—A007 420 3118
- FRUEHAUF—AFA9104001
- FRUEHAUF—ASX0014018
- JOHN DEERE—AZ509531
- DAF—BBU5930
Where this part fits
Original-fit position for OE 745398.

About this product
Sourced from DT Spare Parts, this diaphragm brake cylinder (3.74046) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Thread Size: M16 x 1, Rubber, Stroke [mm]: 75 mm, Piston Rod Length [mm]: 227 mm, Guarantee: Aluminium, Version: Type 16 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 000 420 9924, 00 0846 328 0, 001 420 0224, 001 420 0624 and 112 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DT Spare Parts 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.
Suitable cars
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Verifying part compatibility — check back shortly.Equivalent products (56)
Show all 56 OE numbers
Diaphragm Brake Cylinder DT Spare Parts 3.74046 — compatible car models
| Manufacturer article number (MPN) | 3.74046 |
|---|---|
| OE part numbers | 000 420 9924, 00 0846 328 0, 001 420 0224, 001 420 0624, 001 420 0824, 001 420 0924, 001 420 6224, 001 420 6324, 003 420 1324, 005 420 7518, 006 420 2718, 0070.100.16, 007 420 0018, 007 420 0118, 007 420 3118, 02.032.72.70.0, 051 007, 05.444.13.01.0, 0745398, 0834481 (+44 more) |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
DT Spare Parts 3.74046 . Guarantee: 2. Net Weight [g]: 3363 g. Piston Rod Length [mm]: 227 mm. Stroke [mm]: 75 mm. Thread Size: M16 x 1,5. Version: Type 16
- 1x Diaphragm Brake Cylinder
Shipping, returns, warranty
Free UK delivery on orders over £50.00. 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 Diaphragm Brake Cylinder compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Diaphragm Brake Cylinder fits. All fitment data is verified through TecDoc.
What specifications does this DT Spare Parts Diaphragm Brake Cylinder have?
This DT Spare Parts Diaphragm Brake Cylinder has the following specifications: Thread Size: M16 x 1,5; Stroke [mm]: 75 mm; Piston Rod Length [mm]: 227 mm; Guarantee: 2; Version: Type 16; Net Weight [g]: 3363 g. Check the full specifications table above for complete details.
What OE part numbers does this Diaphragm Brake Cylinder replace?
This Diaphragm Brake Cylinder replaces OE part numbers: 000 420 9924, 00 0846 328 0, 001 420 0224, 001 420 0624, 001 420 0824, 001 420 0924, 001 420 6224, 001 420 6324 and 56 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Diaphragm Brake Cylinder cost?
Diaphragm Brake Cylinder prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this DT Spare Parts Diaphragm Brake Cylinder. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Diaphragm Brake Cylinder?
Regular inspection of your Diaphragm Brake Cylinder is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Diaphragm Brake Cylinder?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Diaphragm Brake Cylinder fitted by a professional mechanic.
Can I use this part as a replacement for OE 000 420 9924?
Yes, this DT Spare Parts Diaphragm Brake Cylinder is a direct replacement for OE part number 000 420 9924. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the DT Spare Parts 3.74046 the same as the DT Spare Parts 1.18873?
No, while both are Diaphragm Brake Cylinder parts, they are different products. The DT Spare Parts 3.74046 has Thread Size: M16 x 1,5, Stroke [mm]: 75 mm, Piston Rod Length [mm]: 227 mm. The DT Spare Parts 1.18873 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.

