Suspension Parts for 2019 KAWASAKI KX450F Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 2019 KAWASAKI KX450F. 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 2019 KAWASAKI KX450F.

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 Shock Spring Rate

5.6

Bike Type

MX

Ideal Rider Weight

75 kg

FORKS INFO

Fork Manufacturer

Fork Type: Showa USD 49 mm OD

Fork Dimensions

Compression Nut Torque: 24 in-lb (0.29 kgf-m)
Fork Travel: 305 mm

Fork Features

Twin Chamber Fork: Yes

Fork Oil

Fork Oil Weight: SAE 5

SHOCKS INFO

Shock Manufacturer

Shock Type: Showa 50 mm ID

Shock Dimensions

Nitrogen Pressure: 175 psi
Shock Length (Eye to Eye): 475 mm
Shock Shaft Outer Diameter: 16 mm
Standard Sag: 100 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 5 Weight
Standard Preload: 8
Wheel Travel: 307 mm

Shock Features

Non-rebuildable: No

Shock Spring Information

Spring Rate - Claimed: 5.7 kg/mm

Shock Comments

: 100mm Rider Sag is Critical

Fitment-Matched Suspension Parts by Category

CHASSIS PARTS

9 Parts

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FACTORY RACING KIT SUSPENSION

5 Parts

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FORK & SHOCK UPGRADE PACKS

4 Parts

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FORK UPGRADE PARTS

10 Parts

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FORK SPRINGS
Ideal Fork Rate for kg: kg/mm ( N/mm)

7 Parts

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FORK CARTRIDGE ASSEMBLY PARTS

9 Parts

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FORK SEALS & BUSHES

16 Parts

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FORK COMPRESSION ADJUSTER ASSY

23 Parts

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FORK CARTRIDGE ROD PARTS

19 Parts

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FORK UPPER & LOWER TUBE PARTS

8 Parts

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FORK O-RINGS

10 Parts

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SHOCK REBUILD KITS

2 Parts

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SHOCK UPGRADE PARTS

7 Parts

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SHOCK SPRINGS
Ideal Spring Rate for kg: kg/mm ( N/mm)

5 Parts

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SHOCK SPRING RETAINERS /BUMPERS

3 Parts

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SHOCK BLADDER PARTS

6 Parts

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SHOCK SEAL CASE PARTS

21 Parts

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SHOCK SHAFT PARTS

11 Parts

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SHOCK BODY PARTS

8 Parts

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SHOCK PISTON PARTS

5 Parts

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SUSPENSION LOCKNUTS & BUSHES

22 Parts

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PERFORMANCE COATINGS

5 Parts

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TOOLS & LUBRICANTS

21 Parts

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All Fitment-Matched Suspension Parts

Browse All 189 Products for KAWASAKI KX450F 2019

Teknik Shock Spring 64/66 x 240 (Eibach 881)

Teknik Motorsport

Teknik Shock Spring 64/66 x 240 (Eibach 881)

Made in The Netherlands to ISO 9001
(SKU: 64_66-240)

From $235.00

Spring Rate: 44.0 N/mm
Spring Colour: White

$235.00

Notify Me

Spring Rate: 46.0 N/mm
Spring Colour: White

$235.00

Spring Rate: 48.0 N/mm
Spring Colour: White

$235.00
55 In Stock

Spring Rate: 50.0 N/mm
Spring Colour: White

$235.00
39 In Stock

Spring Rate: 52.0 N/mm
Spring Colour: White

$235.00
54 In Stock

Spring Rate: 54.0 N/mm
Spring Colour: White

$235.00
19 In Stock

Spring Rate: 56.0 N/mm
Spring Colour: White

$235.00
2 In Stock

Spring Rate: 58.0 N/mm
Spring Colour: White

$235.00

Spring Rate: 60.0 N/mm
Spring Colour: White

$235.00

Spring Rate: 62.0 N/mm
Spring Colour: White

$235.00

Spring Rate: 64.0 N/mm
Spring Colour: White

$235.00

4 In 1 Fork Cap Spanner Showa KYB WP 46 47 48 49 USD

Teknik Motorsport

4 In 1 Fork Cap Spanner Showa KYB WP 46 47 48 49 USD

Showa small - Showa large - KYB - WP
(SKU: 93-003-01)

$47.30
7 In Stock

Piston rod rebound 14mm SHOWA Hard Anodised

Lainer Suspension

Piston rod rebound 14mm SHOWA Hard Anodised

Replace scratched worn damper shafts
(SKU: SHOWA49_ASTA-14)

From $140.00

Shaft Length / Height H (mm): 401.0
Outside Ø D (mm): 14.0

$140.00
29 In Stock

Shaft Length / Height H (mm): 390.0
Outside Ø D (mm): 14.0

$140.00
2 In Stock

Shaft Length / Height H (mm): 398.0
Outside Ø D (mm): 14.0

$140.00
4 In Stock

Shaft Length / Height H (mm): 395.0
Outside Ø D (mm): 14.0

$140.00
2 In Stock

Shock Oil Seal 16 x 28 x 5 Viton Hi Performance

Capelli Race

Shock Oil Seal 16 x 28 x 5 Viton Hi Performance

16mm id x 28mm od x 5mm thick - Showa/KYB
(SKU: 22-401-00)

Oil Seal Inside Diameter d (mm): 16.0

Oil Seal Outside Ø D1 (mm): 28.0

Oil Seal Height H (mm): 5.0

$22.00
363 In Stock

Showa Genuine Parts Dust Seal 49x60.6x14 (with spring)

Showa Genuine Parts

Showa Genuine Parts Dust Seal 49x60.6x14 (with spring)

Showa Genuine Motorcycle Suspension Parts
(SKU: F33004901)

Inside Diameter d (mm): 49.0

Fork Inner Tube Ø d (mm): 49.0

Height H (mm): 14.0

Outside Ø D (mm): 60.6

$31.68
45 In Stock

Showa Genuine Parts Rod Packing

Showa Genuine Parts

Showa Genuine Parts Rod Packing

Showa Genuine Motorcycle Suspension Parts
(SKU: FE9300001)

$15.84
39 In Stock

Showa Genuine Parts Service Kit (2 dust seal + 2 oil seal) FF Showa 49mm

Showa Genuine Parts

Showa Genuine Parts Service Kit (2 dust seal + 2 oil seal) FF Showa 49mm

Showa Genuine Motorcycle Suspension Parts
(SKU: FSER04901)

Fork Inner Tube Ø d (mm): 49.0

$110.88
32 In Stock

SKF 49mm Showa Fork Seal and Wiper Set- Heavy Duty

SKF Sealing

SKF 49mm Showa Fork Seal and Wiper Set- Heavy Duty

Requires 2 kits for complete fork service.
(SKU: SKF49SHD)

Colour: Green

Seal Outer Ø D (mm): 60.30

Seal Height H (mm): 10.0

Seal Wiper Outside Ø D1 (mm): 60.60

Seal Wiper Height H1 (mm): 6.0

Fork Inner Tube Ø d (mm): 49.0

$62.94
10 In Stock

Eibach EMS Moto Rear Shock Spring Kit 64/66.5 x 243 Showa CRF 250 450 KX450 (64_66-240)

Eibach Suspension Technology

Eibach EMS Moto Rear Shock Spring Kit 64/66.5 x 243 Showa CRF 250 450 KX450 (64_66-240)

Made in the USA (QS9000) or Germany (ISO16949)
(SKU: 881)

From $249.94

Spring Rate: 4.7 kg/mm

$249.94
3 In Stock

Spring Rate: 4.9 kg/mm

$249.94
2 In Stock

Spring Rate: 5.1 kg/mm

$249.94
2 In Stock

Spring Rate: 5.3 kg/mm

$249.94
1 In Stock

Spring Rate: 5.5 kg/mm

$249.94
2 In Stock

Spring Rate: 5.7 kg/mm

$249.94
2 In Stock

Spring Rate: 5.9 kg/mm

$249.94
Special Order

Spring Rate: 6.1 kg/mm

$249.94
Special Order

Spring Rate: 6.3 kg/mm

$249.94
3 In Stock

Fork Cartridge Rebound Showa Piston Rod Shaft Bare (pair) 14mm x 390mm

Teknik Motorsport

Fork Cartridge Rebound Showa Piston Rod Shaft Bare (pair) 14mm x 390mm

Replacement for Showa Part F30100002
(SKU: 24-465-01)

Inside Diameter d (mm): 5.5

Shaft Length / Height H (mm): 390.0

Outside Ø D (mm): 14.0

$195.00
9 In Stock

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