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1821170860 Rubber Upper Cushion For ISUZU CYH CXZ EXR EXD FVR FTR FRR VC46
Direct replacement rubber upper cushion (cab mount cushion / spring seat cushion) for ISUZU CYH, CXZ, EXR, EXD, FVR, FTR, FRR, and VC46 heavy-duty trucks OE cross reference: 1821170860, 1-82117086-0 Critical vibration-damping component for cab mounting or leaf spring upper seat Choose from 3 quality levels – China ISUZU (Qingling) Quality / Famous Brand Aftermarket Quality / Japanese ISUZU Quality Prevents metal-to-metal contact – Reduces cab vibration and chassis noise MOQ: 1 piece
Description
Products Overview
The Rubber Upper Cushion (also known as cab mount cushion, spring seat cushion, upper rubber seat, or vibration damper) is a critical vibration-damping and load-bearing component designed specifically for ISUZU heavy-duty truck chassis systems. It is installed between the vehicle frame and the suspension or cab structure .This cushion OE cross reference: 1821170860, 1-82117086-0,is specifically designed for ISUZU CYH, CXZ, EXR, EXD, FVR, FTR, FRR, and VC46 heavy-duty trucks – widely used for long-haul transport, heavy cargo, construction, and logistics applications worldwide .You can Choose from 3 quality levels – China ISUZU (Qingling) Quality / Famous Brand Aftermarket Quality / Japanese ISUZU Quality.
Products Specifications
| Parameter | Specification |
|---|---|
| Product Name | Rubber Upper Cushion / Cab Mount Cushion / Spring Seat Cushion / Upper Rubber Seat / Vibration Damper |
| OE Numbers | 1821170860, 1-82117086-0 |
| Quality Options | China ISUZU (Qingling) Quality / Famous Brand Aftermarket Quality / Japanese ISUZU Quality |
| Material | High-density natural rubber (NR) + steel reinforcement |
| Hardness (Shore A) | 65 ± 5 (OEM specification) |
| Function | Vibration damping, shock absorption, height spacing, metal-to-metal prevention |
| Fitting Position | Cab mounting bracket or leaf spring upper seat (model dependent) |
| Compatible Models | ISUZU CYH, CXZ, EXR, EXD, FVR, FTR, FRR, VC46 (see fitment table) |
| Vehicle Class | Heavy-duty trucks (15-50+ ton GVWR) |
| H/S Code | 4016999000 |
| Place of Origin | China |
| MOQ | 1 piece |
| Warranty | 1 Year |
Related Products
More Related Parts You May Need
| Part | OEM Number (Typical) | Purpose |
|---|---|---|
| Rubber Lower Cushion | 1821170861 (example) | Matching lower cushion for complete mount |
| Cab Mount Bracket | Various | Mounting structure for rubber cushion |
| Center Bolt / Pin | Various | Secures cushion to bracket |
| Leaf Spring Cushion | Various | Spring seat application |
Signs Your Rubber Upper Cushion Needs Replacement
| Symptom | What You May Notice | What It Means |
|---|---|---|
| Excessive cab vibration | Cab shakes excessively when idling or driving on uneven surfaces | Rubber cushion has hardened or collapsed – No longer damping vibration |
| Metal clunking or clicking noises | Intermittent clunking sounds from chassis when hitting bumps | Rubber has worn away – Metal-to-metal contact occurring |
| Visible cracking or perishing | Deep weather cracks, splitting, or crumbling of rubber | Rubber degradation – Cushion near failure |
| Rubber separated from steel | Cushion layers delaminating or separating | Complete failure – Immediate replacement needed |
| Collapsed or compressed height | Cushion appears flatter than new – Vehicle stance uneven | Permanent compression – Loss of cushioning ability |
| Rust bleeding from cushion | Brown rust stains around rubber area | Steel reinforcement corroding – Internal failure |
| Poor ride quality | Harsh, jarring ride over bumps | Worn cushions transmitting road shock directly to cab |
Installation Notes
| Step | Procedure |
|---|---|
| 1 | Raise the vehicle and secure on jack stands – Support the frame or axle appropriately |
| 2 | Relieve tension on the mounting bolt or pin |
| 3 | Remove the center bolt or pin securing the cushion |
| 4 | Remove the old, worn cushion |
| 5 | Clean the mounting surface thoroughly – Remove rust and debris |
| 6 | Compare the new cushion height with the old one |
| 7 | Position the new rubber upper cushion onto the locating pin or mounting bracket |
| 8 | Ensure the locating tab or hole aligns correctly |
| 9 | Insert and tighten the center bolt or pin to manufacturer's torque specification |
| 10 | Lower the vehicle and test drive – Listen for noises and feel for excessive vibration |
Critical Tips:
| Tip | Benefit |
|---|---|
| Replace in pairs (both sides) | Ensures balanced cab or suspension support |
| Inspect mounting brackets for damage | Replace bent or cracked brackets |
| Use a torque wrench | Prevents over-tightening (crushes rubber) or under-tightening (loose cushion) |
| Check related bushings and mounts | Replace worn components while accessible |
Why Choose Us?
1.29 years one-stop supply for full Isuzu models & all truck parts - Professional one-stop sourcing saves your time and cost.
2.Three quality options in one page - Compare and select by your budget and durability needs.
3. China ISUZU (Qingling) quality available - OEM-grade for fleet and repair shop use with great value.
4. Famous brand aftermarket quality available - Premium Tier 1 standard for maximum durability.
5. Japanese genuine ISUZU quality available - Same spec as original factory parts.
6. Steel reinforced construction - Keeps shape under heavy loads and prevents easy failure.
7. Restores ride comfort - Reduces cab vibration and chassis noise.
8. Protects mounting points - Avoids costly metal-to-metal damage.
9. Low MOQ, only 1 piece - Perfect for single replacement or sample testing.
10. Fast delivery - Global shipping in 1–8 working days.
11. 1-year warranty - Reliable after-sales protection for every order.
12. Bulk discounts available - Competitive price for fleet and wholesale orders.
FAQs
Q1: What is the function of the rubber upper cushion?
A: The rubber upper cushion serves several critical functions:
Vibration damping – Absorbs road shocks before they reach the cab
Metal-to-metal prevention – Maintains gap between frame and cab/spring
Load distribution – Spreads mounting load evenly across the bracket
Noise reduction – Eliminates clunking and rattling from metal contact
Q2: How many cushions does my truck need?
A: This depends on the specific application:
Cab mounting – Multiple cushions per cab (typically 4-6 total)
Leaf spring upper seat – 2 cushions per vehicle (one per spring)
Check your vehicle's service manual or count the mounting positions on your truck.
Q3: Will this fit my ISUZU FVR?
A: Yes. ISUZU FVR is listed as a compatible model. This rubber upper cushion is used on FVR, FTR, and FRR Forward series trucks for cab mounting or suspension applications.
Q4: What is the difference between OEM numbers 1821170860 and 1-82117086-0?
A: These are the same part number in different formats:
1821170860 – Solid format (10 digits, no dash)
1-82117086-0 – Dashed format (ISUZU original parts catalog format)
Both numbers refer to the identical rubber upper cushion.
Q5: Can I drive with a cracked rubber cushion?
A: Not recommended. A cracked cushion has lost its ability to properly damp vibration. Continued driving will lead to:
Increased cab vibration and driver fatigue
Metal-to-metal contact (clunking noises)
Potential damage to cab mounting brackets
Accelerated wear of other suspension components
Q6: Do you offer wholesale pricing for bulk orders (fleet / shop quantities)?
A: Yes. Please contact us with your quantity and preferred quality level for a competitive quote. Bulk discounts available for fleets, repair shops, and parts distributors.
Q7: What is your warranty policy?
A: This product comes with a 1-year warranty against manufacturing defects. Please contact our support team for any issues.
One-stop Isuzu truck parts supplier from China,Focus on ISUZU parts sale over 29 years .
Our address
Baishiyi Jiulongpo District, High-tech Zone,Chongqing,China.
Phone Number/Whatsapp/wechat
+8617383152089
ZCMisuzu@guanglian99.com
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