LogoDK GasSpring
Aftermarket Gas Springs
Goodbye to Inventory Problems!

OE-Compliant Automotive Lift Supports for Global Distributors: Maximize SKU Turnover with Flexible Mixed Orders

Eliminate capital tie-up and dead stock. Source 50+ vehicle models in a single combined shipment directly from our Ningbo manufacturing facility.IATF 16949 Certified Automotive Gas Spring Manufacturer

0%Dead Inventory Risk
-60%vs. Competitors
100%SKU Turnover
🏭Direct Chinese Factory
💰Guaranteed Lowest Price
🎯1000+ Specifications

Automotive OE Cross-Reference Finder

Find your exact aftermarket match among 1,000+ technical specifications. Select your vehicle or enter your current part numbers below.

Automotive Gas Spring Replacement

100% OE Fitment Guaranteed

Engineered to match or exceed original equipment specifications for all major automotive brands.

OR SEARCH BY VEHICLE

Our database covers 10,000+ global OE numbers. Your uploaded manifest will be manually cross-referenced by our engineering desk to guarantee 100% fitment.

💡 Select your required models above to receive a custom bulk price manifest within 12 hours.

100% OE Fitment Guaranteed. Average response time: <12 hours.

📦 Mixed Orders - perfectly matched pairs (2-PC Sets)

Combine multiple specifications in a single order to maximize your inventory

🎯 Flexible Minimum

Only 10 pieces per specification
Minimum order: 500 total pieces

💰 Volume Discounts

Up to 15% additional
on large mixed orders

📋 Custom List

We create your specific catalog
based on your local market

Why Are You Still Losing Money?

The 3 Most Costly Mistakes Distributors Make (and How to Avoid Them)

ERROR #1: Betting Everything on Few Models

The Challenge: High MOQ restrictions forced by traditional factories lead to overstocking and capital tie-up on slow-moving vehicle models.

✅ OUR SOLUTION:

10-Piece Per SKU Flexibility: Perfect Inventory Turnover

  • 🎯 You meet ALL market demand
  • 💰 Factory price for small volumes
  • 🔄 Perfect inventory turnover

Error #2: Middleman Markups on Low-Volume Orders

The Challenge: Because you buy in "small batches", you pay $10 for a part that costs $3 to manufacture.

✅ OUR SOLUTION:

FOB Factory-Direct Pricing: Enjoy factory rates for mixed orders totaling just 500 pcs.

  • 🏭 No middlemen = No extra costs
  • 📈 Guaranteed 200%+ margin
  • 🎯 Compete with unbeatable prices

ERROR #3: Multiple Suppliers = Total Chaos

The Problem: Managing 8 different suppliers to cover all specifications.

✅ OUR SOLUTION:

ONE single supplier for 10,000+ different specifications

  • 📋 One single invoice, one single contact
  • ⚡ Quotes within 24 hours for any specification
  • 🎯 Consistent quality across all products
B2B Case Study

🎯 Example of a Typical Mixed Order

This is how our clients maximize their inventory with perfectly matched pairs.

Total Specifications:
45 different ones
Total Quantity:
2,250 pairs
Average per Specification:
50 pairs
Total Savings:
$8,500 USD
Hood Props (15 specifications)
750 pairs
Tailgate Latches (12 specifications)
600 pairs
Rear Window Struts (10 specifications)
500 pairs
Camper Supports (8 specifications)
400 pairs

Economic Solutions for Your Business

Maximize your profits with our specialized solutions for each type of business

For Importers

Most Popular

Large volume purchasing for regional distribution networks.

  • IATF 16949 Certified Facility
  • Dynamic Damping Technology (No slamming)
  • 50,000+ Opening/Closing Cycles Warranty
  • All-Weather Tested (-40°C to +80°C)
  • Perfectly Matched Pairs (2-PC Sets)
Workshop Catalog

For Distributors

Wholesale

Smart inventory solutions with fast rotation. Covering 99% of best-selling vehicle models across North America, Europe, and LATAM regions.

  • 144+ Hours Salt Spray Corrosion Resistance
  • IATF 16949 Automotive-Grade QA
  • Flexible minimum orders (50 pairs)
  • Volume discounts up to 45%
  • Wholesale Buyer Cross-Reference Support
Distributor Program

For Private Label / Brands

OEM Grade

Custom packaging and laser-marking per IATF 16949 standards.

  • 100% OE Fitment Guaranteed
  • Competitive FOB prices
  • Full containers available
  • Private label (OEM/ODM)
  • Complete logistics support
Importer Program
Perfect Match QA

⚖️ Engineered in Perfect Pairs (2-PC Sets)

100% Identical Pressure Calibration — Zero Tailgate Twisting Guarantee.
We never ship loose singles. Every DK lift support is digitally force-tested and pre-paired with its identical twin before boxing. This eliminates uneven force distribution, preventing costly tailgate alignment warping and assuring your mechanics of a flawless, symmetric installation every single time.

📋 Wholesale Buyer Cross-Reference Program

We bundle and supply our lift supports in perfectly matched pairs (2-PC Sets) with identical pressure calibration. This ensures balanced tailgate distribution, a smooth fluid opening motion, and zero returns for your retail mechanics or end customers. Stop wasting hours manually checking lengths. If you have a local market SKU list, a Suspa/Stabilus catalog code, or an Excel OEM Part Number list, upload or paste your manifest here. Our engineering desk will cross-reference your list and deliver a 100% accurate matching quote with tiered wholesale volume discounts within 12 hours.

100% Accurate Matching
Volume Discounts
📋 Upload List for Quote
SGS
CMACNASilac-MRA

Salt Spray Test Report (NSS)

Report No: NJIN2103000801PS_CN
Issued: 2023-04-15
Download SGS Salt Spray Test Report (PDF)

Key Test Parameters

Test Method

Neutral Salt Spray (NSS)

Standard

GB/T 10125-2012

Exposure Time

96 Hours

Temperature

35±2 °C

NaCl Concentration

50±5 g/L

Chamber Environment

  • Chamber Temperature35±2 °C
  • Saturator Temperature47±2 °C
  • Salt Fog Collection Rate1.0 - 2.0 ml/(80cm²·h)
  • pH Value of Collected Solution6.5 - 7.2

Sample Preparation

  • Sample Angle15° - 25° from vertical
  • Cleaning Method Before TestWiped with ethanol
  • Cleaning Method After TestRinsed in gently running water (<35°C), dried
  • Evaluation StandardGB/T 6461-2002

Pass / Excellent

After 96 hours of Neutral Salt Spray exposure, the tested gas spring samples showed no visible red rust on the main cylinder or piston rod. Minor blistering observed on the end fittings (non-critical area). Protection Rating: 9/10.

Engineering Note

Standard configuration delivers 96-144 Hours NSS. Custom multi-layer QPQ and premium coatings are available to support up to 244+ Hours Salt Spray for heavy-duty manufacturing, marine environments, or industrial machinery applications.

Compliance Declaration

Minor surface blistering on standard zinc-plated non-working end-fittings is within acceptable IATF 16949 parameters and does not affect the pressure containment or mechanical integrity of the cylinder.

DK heavy-duty gas spring sample prepared for 96h neutral salt spray test per GB/T 10125

Sample Before Test (0h)

DK heavy-duty gas spring 96h salt spray test result showing zero red rust on main cylinder and piston rod

Sample After Test (96h)

Close-up of DK gas spring QPQ piston rod surface after 96h salt spray test showing no red rust

Close-up: Piston Rod Surface (96h)

RoHSCompliant

SGS RoHS Test Report

No. SHAMLP2103392502
Product Model:KQ10/28-120-390-400N Gas Spring
Test Part:Black Coating (Cylinder)
Issue Date:2021-03-09
Download SGS RoHS Test Report (PDF)

Substance Analysis Results

SubstanceLimitMDLResultStatus
Cadmium (Cd)100 mg/kg2 mg/kgND
Passed
Lead (Pb)1000 mg/kg2 mg/kg17 mg/kg
Passed
Mercury (Hg)1000 mg/kg2 mg/kgND
Passed
Hexavalent Chromium (Cr(VI))1000 mg/kg8 mg/kgND
Passed
Sum of PBBs1000 mg/kg5 mg/kgND
Passed
Sum of PBDEs1000 mg/kg5 mg/kgND
Passed

* ND = Not Detected (lower than MDL). MDL = Method Detection Limit.

Tested Sample

DK gas spring model KQ10/28-120-390-400N tested for RoHS compliance by SGS with all 6 substances passed

Official Test Sample ID: SHA21-033925.001

Reference Standards

  • IEC 62321-5:2013
  • IEC 62321-7-2:2017
  • IEC 62321-4:2013+AMD1:2017
  • IEC 62321-6:2015

Analytical Instruments

  • ICP-OES (Inductively Coupled Plasma Optical Emission Spectrometry)
  • AAS (Atomic Absorption Spectrometry)
  • UV-Vis (Ultraviolet-Visible Spectroscopy)
  • GC-MS (Gas Chromatography-Mass Spectrometry)
50,000 CYCLES CERTIFIED
SGS Certified

Rigorous Mechanical Fatigue & Lifecycle Testing

Report No.: No. SHHL2103007983FT
Issue Date: 2021-03-09
Product Spec: M/S-175-350N Gas Spring
Download SGS Lifecycle Test Report (PDF)

The core pain point for B2B buyers is batch failure caused by mechanical fatigue and the resulting high after-sales repair costs. Our product has passed the official SGS full-stroke reciprocating cycle test.

50,000+
Reciprocating Cycles

Methodology

An appropriate force is applied to the piston rod to move it from the fully extended position to the fully compressed position. The force is then removed, allowing the rod to return to the fully extended position. This cycle is repeated 50,000 times.

Requirement

After the test, the sample shall not exhibit any damage, jamming, or functional loss.

Final Status

PASSED — No damage, no functional loss

SGS Tested Sample Record (Sample ID: SHA21-033925.001)

SGS mechanical fatigue and lifecycle test sample

Gas spring fatigue test live video

  • 1. The statement of conformity is based on a decision rule of non-binary decision with a guard band (guard band length parameter is 0).
  • 2. This report is the official original English report (SHHL2103007983FT) issued by SGS, possessing full international traceability and validity.

Frequently Asked Questions

Common questions about our aftermarket gas spring solutions

Ryan Chen

Ryan Chen

Senior Project Manager & Industrial Hardware Specialist

Dedicated to helping global distributors eliminate after-sales risks through precision-calibrated hardware solutions.

Experience:17+ years in precision hardware & gas spring engineering
Expertise:Cross-reference validation, custom project delivery, force & damping calibration
Education:B.Eng. Mechanical Engineering — South China University of Technology
Certified:IATF 16949, APQP/PPAP, SGS-Certified 100K+ Cycle Fatigue Test Lead
Content:All articles verified against real factory test data, QC/T 207 & international OEM specifications

Ready to Optimize Your Inventory? Send Your RFQ / SKU List Below

Attach your Excel part list or type your required models. Our engineering desk will match the OE references and reply within 12 hours.

Company HQ

Ningbo, Zhejiang, China

Email

Office Address

Building A, R&D Park, High-Tech Zone, Ningbo, Zhejiang, China