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Details
| Specification | Value |
|---|---|
| Brand | KYB |
| Fitting Position | Front Axle |
OE/OEM numbers (77)
Search by this OE number to find compatible parts
- FORDโ1139401
- FORDโ1139402
- BMWโ1139403
- FORDโ1139404
- BMWโ1139494
- BMWโ31321139401
- BMWโ31321139494
- FORDโ5010928
- FORDโ5010929
- FORDโ5010933
- FORDโ5010934
- FORDโ5010935
- FORDโ5011725
- FORDโ5012372
- FORDโ5012373
- FORDโ5012374
- FORDโ5012429
- FORDโ5014383
- FORDโ5014727
- FORDโ5014728
- FORDโ5014729
- FORDโ5016315
- FORDโ5016398
- FORDโ5016399
- FORDโ5029365
- FORDโ6134295
- FORDโ6139934
- FORDโ84AB18045AB
- FORDโ84AB18045AC
- FORDโ84AB18045AD
- FORDโ84AB18045AE
- FORDโ84AB18045BA
- FORDโ84AB18045BB
- FORDโ84AB18045BC
- FORDโ84AB18045BD
- FORDโ84AB18045CA
- FORDโ84AB18045CB
- FORDโ84AB18045CC
- FORDโ84AB18045CD
- FORDโ84AB18045FA
- FORDโ84AB18045FB
- FORDโ84AB18045FC
- FORDโ84AB18045FD
- FORDโ84AB18045HB
- FORDโ85AX18045AA
- FORDโ85AX18045BA
- FORDโ85AX18045CA
- FORDโ86AB18045AA
- FORDโ86AB18045BA
- FORDโ86AB18045CA
- FORDโ86AB18045DA
- FORDโ86AX18045AA
- FORDโ86AX18045BA
- FORDโ86BX18045BA
- FORDโ93AX18045LA
- FORDโA830X18045EDA
- FORDโA830X18045KA
- FORDโA830X18045LA
- FORDโA830X18045SA
- FORDโA830X18045TA
- FORDโA830X18045UA
- FORDโA840X18045ABA
- FORDโA840X18045ACA
- FORDโA840X18045ADA
- FORDโA840X18045AEA
- FORDโA840X18045VA
- FORDโA850X18045BDA
- FORDโAB30X18045LA
- FORDโAM90BX18045CA
- FORDโAM93AX18045LA
- FORDโEAB886
- FORDโEAN304
- FORDโEAN307
- FORDโEAN311
- FORDโEAN881
- FORDโV85AB18045AA
- FORDโV86AB18045AA
Where this part fits
Original-fit position for OE 1139401. The red ring marks where this part installs on the vehicle.

About this product
KYB shock absorber (633802) restores factory damping characteristics by controlling spring oscillation on both compression and rebound strokes, recovering steering precision and reducing body roll. Damping configuration โ Fitting Position: Front Axle, Shock Absorber Type: Steel, Shock Absorber Design: Aluminium, Shock Absorber Mounting Type: Cast Iron โ is tuned to the original suspension geometry so spring rates and ride height are unaffected, preserving the manufacturer's comfort and handling balance. Mounting dimensions, piston diameter, and stroke length replicate the OEM unit on FORD applications, allowing a straight-swap installation without drilling or bracket modification. Supersedes manufacturer part numbers: 100524, 100591, 11047, 11087 and 83 more. KYB dampers are gas-pressure charged, zero-leakage tested on a servo-hydraulic rig, and carry a 2-year unlimited-mileage warranty against manufacturing defects. Shock absorbers gradually lose damping force over time and should be inspected at 50,000 miles and replaced by 80,000โ100,000 miles โ even if they are not visibly leaking, internal valve wear reduces their effectiveness. Warning signs include excessive body roll in corners, nose-dive under braking, rear-end squat during acceleration, uneven tyre wear, and a bouncy or floaty ride โ a simple bounce test (push down on each corner and release) can reveal weak dampers. Shock absorber replacement is an intermediate DIY task that requires spring compressors (for strut-type assemblies), a torque wrench, and penetrating oil for corroded fasteners โ allow 2โ3 hours per axle. When selecting shock absorbers, match the damper type (twin-tube, monotube, or gas-pressurised) to the original specification โ upgrading to a different type can alter ride height and handling characteristics. Always replace shock absorbers in pairs (both sides of the same axle) to maintain balanced handling, and have the wheel alignment checked afterwards โ worn dampers often allow geometry to drift out of specification. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
Equivalent products (10)
Shock Absorber KYB 633802 โ compatible car models
| Car models | FORD: ESCORT III (GAA), ESCORT III Turnier (AWA), ESCORT IV (GAF, AWF, ABFT), ESCORT IV Turnier (AWF, AVF), ORION I (AFD), ORION II (AFF) |
|---|---|
| Engines | 1.1; 1.3 |
| Year of manufacture | 1980-1994 |
| Manufacturer article number (MPN) | 633802 |
| OE part numbers | 1139401, 1139402, 1139403, 1139404, 1139494, 31321139401, 31321139494, 5010928, 5010929, 5010933, 5010934, 5010935, 5011725, 5012372, 5012373, 5012374, 5012429, 5014383, 5014727, 5014728 (+57 more) |
Compatibility check
Loading vehicle dataโฆ
Please wait while we load vehicle compatibility information.Description and what's included
KYB 633802 Premium. Fitting Position: VA. Shock Absorber Design: 2. Shock Absorber Mounting Type: 3. Shock Absorber Type: 1
- 1x Shock Absorber
Shipping, returns, warranty
Free UK delivery on orders over ยฃ99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- 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 Shock Absorber compatible with my car?
This Shock Absorber fits FORD vehicles. Use the vehicle selector at the top of the page to check exact compatibility โ enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this KYB Shock Absorber have?
This KYB Shock Absorber has the following specifications: Fitting Position: VA; Shock Absorber Type: 1; Shock Absorber Design: 2; Shock Absorber Mounting Type: 3. Check the full specifications table above for complete details.
What OE part numbers does this Shock Absorber replace?
This Shock Absorber replaces OE part numbers: 1139401, 1139402, 1139403, 1139404, 1139494, 31321139401, 31321139494, 5010928 and 69 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Shock Absorber cost?
This KYB Shock Absorber is available for ยฃ79.99. Shock Absorber prices vary depending on brand, specifications, and vehicle compatibility. KYB parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Shock Absorber?
Look for excessive bouncing over bumps, nose-diving during braking, uneven tyre wear, fluid leaks on the shock body, or poor handling. Shocks should be inspected every 50,000 miles.
What tools do I need to replace a Shock Absorber?
Tools needed: floor jack, axle stands, 18-21mm socket for wheel bolts, spring compressor (if top mount must be removed), 17-19mm open-end spanner for shock piston nut, torque wrench. Difficulty: Moderate DIY. Safety warning: Coil springs store enormous energy -- only use purpose-built automotive spring compressors rated for the load. A spring released unexpectedly can cause fatal injury. Never improvise with non-rated tools.
Can I use this part as a replacement for OE 1139401?
Yes, this KYB Shock Absorber is a direct replacement for OE part number 1139401. 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.
