Brake Disc WELLE CHINA Heavy 1387439-1 for DAF 2001-2013

Specification sheet

Will it fit my vehicle?

How to identify the correct unit: locate the reference number stamped on your original component or in the vehicle parts catalogue, then cross-check it against the number below before ordering. Trim and market variants exist for many applications, so the short check is worth the minute before checkout.

How to identify & confirm fitment in 4 steps

1. Locate the OE / reference number on your old part or in the vehicle parts catalogue.
2. Match it to 1387439-1 shown on this page.
3. Send your VIN and engine code plate so our team runs an exact-fit check.
4. Receive fitment confirmation before we dispatch your order.

Cross-reference coverage for daf brake disc and brake disc fitment is listed above; confirm your VIN before ordering.

Product overview

Stocked for DAF and referenced by 1387439-1.

Feature highlights

The strengths workshop buyers compare when searching best brake disc for daf, welle and welle rbk rotor are listed above.

Applications & use cases

Suitable for DAF. Brake Disc is stocked for these markets and model families so buyers can match demand without re-checking every listing.

Technical insights

Field note. Fleets running DAF trucks built between 2001 and 2013, the XF105 and CF85 generation, see the same failure pattern as any air-disc axle: judder under light braking, thickness variation that keeps returning after pad changes, and heat cracks radiating from the friction face after long downhill work. This disc is the wearing friction element between the Knorr caliper pads, converting air pressure into retarding torque while its vented core manages temperature. Once wear passes the 37 mm minimum, fade arrives early and caliper seals suffer.

Deep dive. Fitment follows standard air-disc procedure: exhaust the system, support the corner, remove the caliper and slide the 432×45 vented disc over the ten-stud hub. The WELLE CHINA supply line ships the casting machined to the 1387439 pattern, so compare bolt circle, hub bore and height against the removed part before committing the axle. Clean the hub face, dial-gauge the runout at the friction radius, and torque the studs to the vehicle figure. Renew pads with the disc and bed the pair gently before release to service.

Deep dive. For 2001-2013 DAF tractors on regional and long-haul work, put thickness measurement on a fixed schedule: 45 mm nominal against the 37 mm limit gives limited margin on high-mileage axles. Measure both faces at several angles, log per-wheel figures, and treat a recurring side-to-side difference as a caliper or bearing problem, not a disc fault. Check pad plate contact areas for rust jacking after winter and clean the hat surfaces. Buying from one supply line, such as this one, makes batch-to-batch wear comparisons meaningful across the fleet.

Field note. Buyers comparing this SKU with other 1387439-pattern listings are really comparing supply lines, not geometry: the dimensions, 432 mm diameter, 45 mm thickness, 37 mm minimum, vented, ten-stud mounting, are common to the pattern. What differs is casting consistency, machining finish, inspection documentation and logistics. WELLE CHINA positions this reference for DAF trucks from 2001-2013, which narrows fitment to the XF105 and CF85 era and simplifies verification. Ask each source for weight, hardness range and inspection reports, then judge on repeat-order consistency.

Field note. Because this disc is sold as an aftermarket replacement against DAF reference 1387439, European purchases fall under the ECE R90 framework for replacement brake discs, and a documented approval number should accompany any EU-bound batch. On the production side, ask the WELLE CHINA supply line for its ISO 9001 registration and the material certificate for the casting: G3000/HT250-class grey iron with hardness in the 187-241 HB band is the accepted norm for this pattern. Written inspection records on dimensions and balancing are the practical evidence of a controlled process.

Technical background. The intended buyer is a truck fleet operator or parts distributor supplying the 2001-2013 DAF parc, meaning XF105, CF85 and related rigs, common across European and export markets. Distributors consolidating DAF stock use this SKU as the era-specific line beside the broader 1387439 listing, keeping year coverage explicit on the shelf. Operators with mixed-age fleets order by chassis year to avoid cross-fitment errors. Both buyer groups expect pallet quantities, stable lead times and batch documentation, because a worn axle set keeps a tractor off the road.

Field note. For this DAF heavy-duty reference covering 2001-2013 vehicles, the axle is the service unit: renew pads axle-wide with the disc, and if a fleet runs the 1387439-1 line alongside the 1387439 supply line, avoid mixing the two sources across one axle, since different foundries mean slightly different hardness and wear behavior that shows up as uneven pad contact. While the wheel is off an XF or CF truck, check hub bearing end-play, hub seals, and stud stretch, and service the caliper guide pins. A dragging caliper found at disc replacement must be repaired, or the new casting inherits the same heat damage.

Deep dive. As a China-based supply line, packaging and protection typically differ from the European-channel 1387439 flow: export pallets, heavier rust-preventive coatings, and box branding tied to the supplier rather than a distributor. That coating must be stripped cleanly at installation, and buyers should note that thicker storage films mean longer prep time in the bay. Pallet labeling should carry the WELLE or supplier mark, casting batch, and destination axle application so warehouse staff can separate the -1 line from stock of the other reference. Single discs of this class weigh in the 25-kilogram range and need two-hand handling.

Field note. Fitment procedure matches any heavy DAF wheel-end, but with an extra verification step. Clean the hub shoulder and centering seat to bright metal, seat the vented disc fully, and dial-indicate runout at the friction face before torquing the ten studs in a crossed, calibrated sequence. Because this is a separate supply line, check the markings cast or stamped on the hat against the paperwork: reference number, minimum thickness, and any batch code should agree. Blow the vanes clear of packing debris, retract caliper pistons evenly, and record the as-fitted thickness as the fleet's wear-tracking baseline.

The engineering notes above compile verified reference, material and application data for aftermarket brake disc, compatible brake disc and brake disc catalog.

Deep dive. A 2001-2013 coverage window means these trucks operate everywhere from Nordic salt corridors to Gulf heat, and the disc fails differently in each. Salted regions corrode the hat, stud bores, and hub crevice until the disc is retired with wear allowance left; fleets there should prioritize coated variants and wash-down discipline. Long-grade operations in mountainous regions push the section toward its stamped minimum thickness on every descent, so wear logging at tire changes is the control. In tropical depots, humidity pits bare friction faces within months of storage, so sealed packaging and strict first-in, first-out rotation are essential.

Deep dive. Dual-sourcing makes documentation the comparison tool. For each shipment, require material certificates with heat numbers tied to casting batch codes, a declared hardness band, and per-batch records of dimensional inspection, crack detection, and dynamic balance, then run the same sampling on both the -1 line and the original reference so results are directly comparable. Retention samples per lot allow cross-line testing if wear behavior diverges. Archive supplier audit reports and shipment-level inspection records against lot numbers; for European aftermarket placement, confirm the ECE R90 marking travels with the -1 stock as it does with the base reference.

Field note. The real question with 1387439-1 versus 1387439 is whether the suffix changes geometry or only the supply route, since 2001-2013 coverage can be marketed breadth rather than a casting change. Audit the first samples dimensionally against the base reference: outer diameter, thickness, minimum-thickness stamp, centering bore, height, and hole pattern. If dimensions match, the difference is foundry, finish, and documentation; if not, the two lines serve different hubs and must be stocked separately. Never interpolate from catalog photos, and never let a mixed axle leave the shop with one disc from each line.

Supply note. Supply line: WELLE CHINA, casting and machining to the DAF 1387439 pattern.

Workshop note. Application window: DAF trucks built 2001-2013, covering the XF105 and CF85 generation.

Supply note. Dimensions follow the 1387439 pattern: 432 mm outer diameter, 45 mm thickness, 37 mm minimum, vented.

Supply note. Mounting: ten-stud hub fitting consistent with the Knorr SB / SN7 air disc brake axle.

Application note. Sold as an aftermarket replacement against DAF reference 1387439 for identification; not an original DAF part.

Technical notes for brake disc guide are compiled from catalogue references and pre-dispatch application checks.

Warranty & support

12 Months limited warranty against manufacturing defects. Coverage applies to correctly installed units; keep the batch date code so any claim is processed against its inspection record. Disc thickness, minimum-thickness marking and runout questions are answered by our team before dispatch.

Why buyers pick Vidishi Auto

Brake Disc — Brake Disc. Supplied under Vidishi Auto with batch traceability and trade-grade packing; volume pricing and private-label options are available on request. Discs are supplied for car, light-truck and commercial-vehicle brake programs in solid, vented, drilled and slotted patterns.

Shipping & packaging

We ship worldwide to distributors and garages from China, Dongguan. Each Brake Disc is packed in a single-unit export carton. Discs ship stacked with separator sheets in export cartons to protect the friction surface. Tracked air or sea freight is arranged per order volume.

Bulk quantities of wholesale brake disc, brake disc supplier and brake disc price ship in mixed containers from China, Dongguan.

Mixed-container programs for brake disc bulk order are arranged per order volume.

Frequently asked questions

Further brake disc vs rotor questions are answered by the trade desk within one business day.

Compliance disclaimer

Vidishi Auto is an independent supplier. This is an aftermarket compatible replacement, not a genuine OEM part. Brand names are trademarks of their respective owners and are used only to identify fitment.

Machining & runout checks

Disc condition at fitment decides braking performance; the checks below are confirmed with every order.

• Pre-dispatch checks: Steel construction is verified against the reference sample before packing; fitment covers DAF applications.

Installation and service notes for brake disc replacement, real carbon brake disc and sram centerline 160mm rotor center lock brake disc rotor are confirmed by our technical team before dispatch.

• Friction-face parallelism and runout are checked against the reference sample before packing.
• Minimum-thickness marking and discard-limit data are confirmed with the quotation on request.

Workshop teams comparing brake disc rotors, brake disc cross reference and welle china heavy receive the pre-dispatch checklist with the quotation.

• Hub bore, bolt pattern and overall height are matched to your old disc before dispatch.

Installation and service notes for g3000 brake disc and brake disk are confirmed by our technical team before dispatch.

Bed-in & service notes

Disc service life depends on the bed-in procedure; the notes below are supplied with every order.

• Configuration checks: the supplied configuration is confirmed against your order before dispatch.

Configuration and service notes for oem brake disc, brake discs and brake disc resurfacing are confirmed by our technical team before dispatch.

• Bed-in guidance is supplied with the quotation on request.
• Discard-limit thickness data is confirmed against your workshop specification.

Workshop teams comparing brake disc pads bike, china heavy and oe brake disc receive the configuration checklist with the quotation.

• Pair replacement is recommended where the listing supplies a single disc.

Configuration and service notes for brake rotor are confirmed by our technical team before dispatch.

Surface pattern options

Solid, vented, drilled and slotted patterns are stocked by reference; the options below are confirmed before dispatch.

• Reference checks: the OE / reference number is matched against your old part before packing; supply covers DAF programs.
• Surface pattern and vent design follow the published listing.

Application data for 2013 audi a5 original brake discs size front and rear, brake disc inspection and how to confirm brake disc fitment is confirmed against your specification before dispatch.

• Coating and anti-corrosion treatment scope is confirmed with the quotation.
• Friction faces are oil-film protected before export packing.

Engineering checks behind the welle china, scania brake disc and bus brake disc supply are completed before packing.