What is your sample policy?

We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Do you test all your goods before delivery?

Yes, we have 100% test before delivery.

How do you guarantee the quality of the product?

Our factory has established a comprehensive testing mechanism, and every step of the production has undergone a strict quality inspection. Our product quality matches our price and has been distributed to customers all over the world in the past 10 years, with no complaint from customers. If there is any quality problem, our company will be responsible to the end.

Spark Plug for Denso

Name: Original Auto Part Metal Case/Shell/Iridium/Platinum/Nickel 3121 Spark Plugs/Spark Plug for Denso
Brand: Hangzhou Rainbow Auto Parts Co., Ltd.
SKU: 2140045445

Zhejiang, ChinaHangzhou Rainbow Auto Parts Co., Ltd.

US$0.55-1.99

500 Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Component

Spark Plug

Certification

TS16949, CE

Model NO.

3121

Size

Standard Size

Color

Client Required

Package

Neutral Packing & Customized

OEM

OEM Service

Material

Nickel Iridium

Application

Auto Part Spark Plug

Packing

Customer Requirement

Function

Engine System

Transport Package

Carton

Specification

Standard Size

Trademark

RAINBOW or Customized

Origin

Zhengjiang China

HS Code

8511100000

Production Capacity

100000 PCS/Week

Key features

Long Service Life: Iridium/Platinum version offers up to 80,000 KM economic life.

Advanced Material: Available in Nickel, Platinum, and Iridium electrode materials.

Customizable Packaging: Neutral packing or customized color boxes with client branding.

OEM & ODM Service: Full support for custom manufacturing and technical drawings.

Quality Assurance: 100% testing before delivery with strict quality inspection.

Certified Standards: Certified with ISO9001, TS16949, and CE standards.

Fast Delivery: Shipped within 30 days after payment confirmation.

Superior Insulation: 95% pure alumina insulator with multi-ribbed design.

Company profile

Hangzhou Rainbow Auto Parts Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2023-03-14Nearest Port: NingBo, Tianjin, GuangZhouAverage Response Time: ≤6.43hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP

About Our Factory & Business Background

AddressHangzhou, Zhejiang, China

Average Lead TimePeak Season Lead Time: more than 12 months Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsSpark Plug, Brake Pad, Brake Disc, Engine Bearing, Ignition Coils, Piston Ring, Auto Bulbs, Water Pump

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What is the material of the spark plug?

Nickel or Iridium.

Q:What are your terms of packing?

Generally, we pack our goods in Neutral Blister. If you have legally registered patent, we can pack the goods in your brand after getting your authorization letters.

Q:What are your terms of payment?

T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q:How about your delivery time?

Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q:Can you produce according to the samples?

Yes, we can produce by your samples or technical drawings. We can build the molds.