Iridium Spark Plug S-R6A21 for Perkins 4000 Series Engines
Price:
$220-225
MOQ:
10
Delivery Time:
35 days
Brand:
TAKUMI,OE
Product Description
Durable Iridium Spark Plug S-R6A21 Perkins 4000 Series (4006-4016) Approved Replacement
Product Specifications
| Attribute | Value |
|---|---|
| Weight (kg) | 0.6 |
| Video Outgoing-Inspection | Provided |
| Machinery Test Report | Provided |
| Engine Type | Natural Gas |
| Type | Engine Controller |
| Engine Model | 3LD2 |
| OE Number | S-R6A21 |
| Thread | M18x1.5 |
| Reach | 28.5 mm |
| Hex | 22.2 mm |
| Seat Type | Flat |
| Gap | 0.3 mm |
| Electrode Type | Prechamber |
| Resistor or Non-Resistor | Resistor |
| Application | Perkins Engines: 4006 / 4008 / 4012 / 4016 |
| Cable Length | 300mm |
Technical Details
- Model: S-R6A21
- Thread Size: M18x1.5
- Reach: 28.5mm
- Hex: 22.2mm (7/8")
- Seat Type: Gasket
- Gap: 0.3mm
- Electrode Type: Prechamber
- Cable Length: 300mm
- Shielded Length: 218mm
- Resistor: Yes
Compatible Replacement For
- Perkin: 486/39
- FG Wilson: 10000-95789 / 10000-16272
Applications
- Perkins Engines: 4006 / 4008 / 4012 / 4016
- FG Wilson
Product Data Sheet

Packaging & Shipping
We offer multiple shipping options including DHL, FEDEX, UPS, EMS (Express Mail Service), or other methods as requested. For remote area deliveries via DHL, additional charges may apply and will be communicated before shipment. All items are carefully packaged to ensure safe delivery.
Payment Options
We accept various payment methods including T/T, L/C, D/A, D/P, Western Union, PayPal, and others.
Company Information
- China's leading OE spark plug manufacturer with ISO 9000 and TS 16949 Quality System Certification
- Advanced platinum and iridium welding technologies for high-quality spark plugs
- Manufacturer of OE replacement spark plugs for major brands
- 100% product testing before delivery

Frequently Asked Questions
Can you produce according to the samples?
Yes, we can produce based on your samples or technical drawings, including building molds and fixtures.
What are your terms of delivery?
We offer various delivery terms including EXW, FOB, CFR, CIF, DDU via sea, air, or express shipping.
Do you test all your goods before delivery?
Yes, all goods undergo 100% testing before delivery.
What are your payment terms?
Standard terms are 30% deposit via T/T with 70% balance before delivery.
What is your sample policy?
Samples are available for ready stock items, with customer covering sample and courier costs.
How about your delivery time?
Typically 30 to 60 days after receiving advance payment.
How do you maintain long-term business relationships?
Through consistent quality and competitive pricing to ensure customer benefits.
What are your packing terms?
We provide OEM/ODM services including custom packaging with company logos.
For any further questions, please feel free to contact us.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
TAKUMI JAPAN AUTO PARTS CO.,LTD.
Location
ROOM 3,27/F.,HO KING COMMERCIAL CENTER,NO.2-16 FA YUEN STREET,MONG KOK, KOWLOON HK
Contact Person
Nicholas Ye