Suspension Parts for 2003 KTM 525 SX Motorbikes | Guaranteed Fitment

Christmas opening hours. Last shipping day Wednesday 24th December. All orders placed over the break will ship Monday 5th January.

Discover suspension parts guaranteed to fit the 2003 KTM 525 SX. Every product in this category has been validated against year-specific fork and shock specifications to ensure true compatibility.
You’ll find fork components, shock parts, shims, upgrade kits, complete suspension systems, chassis components, and the tools and fluids required for accurate servicing - all aligned with the suspension setup of the 2003 KTM 525 SX.

Use this page as a reliable reference when maintaining, rebuilding, or upgrading your bike’s suspension.

Bike-Specific Suspension Specifications & Setup Information

CALCULATE SPRING RATES

This is a recommendation only please consult your manual

Ideal Fork Rate:

kg/mm ( N/mm)

Ideal Shock Rate:

kg/mm ( N/mm)

BIKE DETAILS

Stock Fork Spring Rate

0.42

Stock Shock Spring Rate

PDS3 80-103

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 520 cc

FORKS INFO

Fork Manufacturer

: WP USD 48 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 120 mm
Oil Quanity: 2 Litres

Fork Spring Information

Standard Preload: 15 mm

Fork Comments

: Oil level set with the gap between the inner and outer fork tube empty

SHOCKS INFO

Shock Manufacturer

WP: 50 mm ID

Shock Dimensions

Nitrogen Pressure: 150 psi
Shock Shaft Outer Diameter: 18 mm
Standard Sag: 113-118 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 5 Weight
Standard Preload: 6

Shock Features

Non-rebuildable: No

Fitment-Matched Suspension Parts by Category

FORK REBUILD KITS

6 Parts

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FORK SEALS & BUSHES

13 Parts

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SHOCK SEAL CASE PARTS

6 Parts

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TOOLS & LUBRICANTS

20 Parts

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All Fitment-Matched Suspension Parts

Browse All 59 Products for KTM 525 SX 2003

DRC ENZO | Fork Cap Spinner | WP

DRC Zeta Hardware

DRC ENZO | Fork Cap Spinner | WP

(SKU: ED59-37-320)

$43.00
5 In Stock

48mm WP Fork Dust Wiper 2pc set (Low Friction)

Capelli Race

48mm WP Fork Dust Wiper 2pc set (Low Friction)

(SKU: FS48579.511.52DW.SET)

$49.95
916 In Stock

48mm WP Fork Seal 2pc set (Low Friction)

Capelli Race

48mm WP Fork Seal 2pc set (Low Friction)

(SKU: FS48579.511.52S.SET)

$49.95
747 In Stock

48mm WP Fork Seal and Dust Wiper Set 4pc set (Low Friction)

Capelli Race

48mm WP Fork Seal and Dust Wiper Set 4pc set (Low Friction)

(SKU: FS48579.511.52SET)

$99.90
747 In Stock

48mm WP Fork Seal and Dust Wiper Set 2pc set (Low Friction)

Capelli Race

48mm WP Fork Seal and Dust Wiper Set 2pc set (Low Friction)

(SKU: FS48579.511.52SL)

$49.95
1494 In Stock

48mm WP SKF Mud Scraper

SKF Sealing

48mm WP SKF Mud Scraper

Removable Scraper
(SKU: KIT-MS48WP)

$55.00
1 In Stock

RCU PISTON BUSH 50.00x08.00x1.00mm WP PDS

K-Tech

RCU PISTON BUSH 50.00x08.00x1.00mm WP PDS

(SKU: PB-500810)

Height H (mm): 8.0

Outside Ø D (mm): 40.0

Wall Thickness (mm): 1.00

$54.95
6 In Stock

SKF WP PDS Shock Seal Case Assembly 50 x 18 x 15

SKF Sealing

SKF WP PDS Shock Seal Case Assembly 50 x 18 x 15

50mm od x 18mm id x 15mm tall - WP PDS Non-Link
(SKU: SH2-WP1850P)

Shock Bore Ø D (mm): 50.0

Shock Shaft Ø D (mm): 18.0

Height H (mm): 15.0

$87.95
4 In Stock

SKF WP Fork Seal Kit 48mm (Dual Comp)

SKF Sealing

SKF WP Fork Seal Kit 48mm (Dual Comp)

Requires 2 kits for complete fork service.
(SKU: SKF-DUAL-48W)

Colour: Green/Orange

Seal Outer Ø D (mm): 58.20

Seal Height H (mm): 9.0

Seal Wiper Outside Ø D1 (mm): 58.70

Seal Wiper Height H1 (mm): 5.7

Fork Inner Tube Ø d (mm): 48.0

$69.95
33 In Stock

SKF Fork Bushings Kit 2pcs - 1x Inner 1x Outer - WP 48

SKF Sealing

SKF Fork Bushings Kit 2pcs - 1x Inner 1x Outer - WP 48

Genuine SKF Fork Bush Kit
(SKU: SKF-VKWA-WP48-A)

Fork Inner Tube Ø d (mm): 48.0

External Teflon Bushing Dimensions (mm): 47X49X20

Internal Teflon Bushing Dimensions (mm): 48X52X12

Suspension Brand: WP

$44.95
12 In Stock

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