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4851136110 Front Oil Shock Absorber for Toyota BB20/21/26/30/31/36, RB20/26,

4851136110 Front Oil Shock Absorber for Toyota BB20/21/26/30/31/36, RB20/26,

Front oil shock absorber OE 48511-36110 for Toyota Coaster BB, RB and HB series buses, 1982–1993. China factory-direct supply.

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01. PRODUCT OVERVIEW
Reliable Damping for Safer, More Stable Driving


4851136110 Front Oil Shock Absorber for Toyota BB20/21/26/30/31/36, RB20/26,



02.PRODUCT SPECIFICATIONS
TECHNICAL DATA FOR ACCURATE FITMENT

Item

Details

Brand

Xuanhei / Custom Brand

OE Number

48511-36110

Related OE Number

48511-39345; verify interchangeability by chassis

KYB Reference

445063 (oil type)

Product Type

Front Oil Shock Absorber

Vehicle Brand

Toyota — Japan

Vehicle Model

Toyota Coaster Bus

Chassis / Model Codes

BB20/21/26/30/31/36, RB20/26, HB30/36, HDB30, HZB30/36; selected HB30/31 and related variants

Model Years

May 1982 – January 1993 for listed applications

Fitting Position

Front axle

Shock Absorber Type

Oil-pressure / hydraulic type

Suspension Application

Coaster bus front suspension; verify exact chassis and suspension configuration

Construction

Telescopic hydraulic damper; detailed tube design to be confirmed

Extended Length

Confirm by drawing or physical sample

Compressed Length

Confirm by drawing or physical sample

Mounting Type

Confirm upper and lower mounting dimensions against sample

Tube Wall Thickness

2.00 mm factory specification; confirm product-specific drawing

Piston

Chrome-plated, subject to final product specification

Oil Seal

Runfuxiang oil seal, subject to confirmed specification

Shock Absorber Oil

Hailian cold/hot-temperature oil, subject to confirmed specification

Quality Inspection

Dimensions, leakage, damping force, welding, appearance and packaging checks

MOQ

30 pcs per model

Sample

1 pc for evaluation; terms to be confirmed

Warranty

1 year or 40,000 km

Certifications

IATF 16949, ISO 14001, ISO 45001

Lead Time

55–60 days, subject to order confirmation

Packaging

Neutral packaging; custom packaging subject to quantity and artwork

Supply Country

China

Shipping Terms

EXW, FOB, CIF or DAP, subject to agreement



03. DAMPING PERFORMANCE CONTROLLED RESPONSE FOR EVERY ROAD CONDITION



Our shock absorbers are engineered to balance compression and rebound force, helping reduce excessive body movement, maintain stable tire contact and improve driving comfort across different road conditions.SMOOTH COMPRESSION
Absorbs road impacts and reduces sudden vibration when driving over uneven surfaces.
CONTROLLED REBOUND
Controls the return movement of the suspension to reduce bouncing and improve vehicle stability.
RELIABLE ROAD CONTACT
Helps keep the tires in stable contact with the road for better handling and braking performance.

Standard, comfort and heavy-duty damping settings are available according to different vehicle applications and market requirements.




04. MATERIALS & CONSTRUCTION BUILT FROM THE DETAILS UP



Carefully selected materials and precision components provide reliable sealing, stable damping performance and long-term durability.


CHROME-PLATEDPISTONROD
HIGH-STRENGTHSTEELTUBE
HIGH-PERFORMANCEOILSEAL
PRECISIONVALVESYSTEM




LOWFRICTION STABLESTRUCTURE LEAKPROTECTION CONTROLLEDDAMPING


05. BATCH CONSISTENCY

From Approved Sample to Stable Bulk Supply





SAMPLE CONFIRMATIONProduct dimensions, mounting points, damping requirements and appearance are confirmed before mass production.
FIRST ARTICLE INSPECTION
The first finished unit is inspected before continuous batch production begins.

STANDARDIZED PRODUCTION
Confirmed materials, components and production parameters are applied throughout the order.

BATCH IDENTIFICATION
Product labels, batch codes and inspection records support order identification and repeat-order traceability.

COLOR BOX PACKAGING
Approved packaging designs are applied consistently, including brand colors, product information and identification labels.

BATCH PACKAGING & PALLETIZING
Finished color boxes are organized by batch and securely palletized for easier inventory management, handling and transportation.


06. PACKAGING & SHIPMENT FROM FACTORY PREPARATION TO CONTAINER LOADING






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FREQUENTLY ASKED QUESTIONS

Find answers about shock absorber model matching, MOQ, customization, production, quality control, packaging and warranty.

1. HOW CAN I FIND THE CORRECT SHOCK ABSORBER?

Please provide the OE number, vehicle brand, model, year and installation position. Product photos, drawings or dimensions can also help us confirm the correct item.

2. WHAT IS YOUR MINIMUM ORDER QUANTITY?

Our standard MOQ is 50 pieces per model. Sample and trial order quantities can be discussed according to the specific product.

3. DO YOU SUPPORT OEM AND ODM CUSTOMIZATION?

Yes. We can customize the product logo, laser marking, labels, damping force, product color and packaging according to your market requirements.

4. CAN I ORDER SAMPLES BEFORE A BULK ORDER?

Yes. Samples are available for quality, dimensions and installation verification before bulk production.

5. WHAT IS THE PRODUCTION LEAD TIME?

The regular production lead time is approximately 45–60 days. The exact delivery time depends on the models, order quantity, materials and customization requirements.

6. HOW DO YOU CONTROL PRODUCT QUALITY?

Each shock absorber is inspected for appearance, dimensions, damping force and sealing performance before packaging to ensure stable batch quality.

7. WHAT PACKAGING OPTIONS ARE AVAILABLE?

We provide neutral packaging, protective bags, custom labels, laser marking, custom color boxes and reinforced export cartons.

8. WHAT IS THE PRODUCT WARRANTY?

Our shock absorbers are generally covered for one year or 40,000–50,000 kilometers under normal installation and use. Specific warranty terms depend on the product and order agreement.