Perkins S-R6A21 Pre-Chamber Spark Plug for 4006 4008 4012 4016 Engines
Price:
$220-225
MOQ:
10
Delivery Time:
35 DAYS
Brand:
TAKUMI,OE
Product Description
S-R6A21 Perkins OEM Replacement Spark Plug
Exact Fit for 486/39 in 4006/4008/4012/4016 Engines
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 Models
Perkins: 486/39
FG Wilson: 10000-95789 / 10000-16272
Product Images

Packaging & Shipping
We offer multiple shipping options including DHL, FEDEX, UPS, EMS, and other carriers upon request. All items are carefully packaged to ensure safe delivery.
Note: Remote area charges may apply for DHL shipments to certain locations. We will notify you before dispatch if additional fees are required.
Payment Options
We accept T/T, L/C, D/A, D/P, Western Union, PayPal and other payment methods.
Quality Assurance
- China's leading OE spark plug manufacturer with ISO 9000 and TS 16949 certifications
- Advanced platinum and iridium welding technologies for superior quality
- OE replacement manufacturer for major brands
- 100% 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 creating molds and fixtures.
What are your delivery terms?
We offer EXW, FOB, CFR, CIF, DDU terms by sea, air, or express shipping.
Do you test all goods before delivery?
Yes, all products undergo 100% testing prior to shipment.
What are your payment terms?
30% deposit via T/T, with 70% balance paid before delivery.
What is your sample policy?
Samples are available from stock, with customers covering sample and courier costs.
What is your typical delivery time?
Generally 30-60 days after receiving advance payment.
How do you maintain long-term business relationships?
Through consistent quality and competitive pricing to ensure customer satisfaction.
What are your packaging terms?
We offer 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