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Details
| Specification | Value |
|---|---|
| Brand | AJUSA |
| Thickness [mm] | 4 mm |
| Inner Diameter [mm] | 122 mm |
| Outer Diameter [mm] | 130 mm |
OE numbers (1)
Search by this OE number to find compatible parts
- INFINITI—20691-JA10B
Where this part fits
Original-fit position for OE 20691JA10B. The red ring marks where this part installs on the vehicle.

About this product
AJUSA Seal Ring Exhaust Pipe (18008300) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Thickness [mm]: Copper mm, Inner Diameter [mm]: 122 mm, Outer Diameter [mm]: 130 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with INFINITI, NISSAN vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 20691-JA10B, 61630, F31879. Matching these numbers confirms a like-for-like replacement with no loss of function. AJUSA is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Equivalent products (2)
Seal Ring Exhaust Pipe AJUSA 18008300 — compatible car models
| Car models | INFINITI: JX SUV (L50), QX60; NISSAN: ALTIMA Coupe (CL32), ALTIMA (L32), ALTIMA (L33), ELGRAND (E52), MAXIMA VII (A35), MAXIMA VIII (A36), MURANO III VAN (Z52), MURANO III (Z52), MURANO II (Z51), PATHFINDER IV (R52) (+3 more) |
|---|---|
| Engines | 3.5 AWD; 3.5; 3.5 CVTC; 3.5 CVTC ALL MODE 4x4-i; 3.5 V6; 2.5 |
| Year of manufacture | 2006-2015 |
| Manufacturer article number (MPN) | 18008300 |
| OE part numbers | 20691-JA10B |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
AJUSA 18008300 . Inner Diameter [mm]: 122 mm. Outer Diameter [mm]: 130 mm. Thickness [mm]: 4 mm
- 1x Seal Ring Exhaust Pipe
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Seal Ring Exhaust Pipe compatible with my car?
This Seal Ring Exhaust Pipe fits INFINITI, NISSAN vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this AJUSA Seal Ring Exhaust Pipe have?
This AJUSA Seal Ring Exhaust Pipe has the following specifications: Thickness [mm]: 4 mm; Inner Diameter [mm]: 122 mm; Outer Diameter [mm]: 130 mm. Check the full specifications table above for complete details.
What OE part numbers does this Seal Ring Exhaust Pipe replace?
This Seal Ring Exhaust Pipe replaces OE part numbers: 20691-JA10B. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Seal Ring Exhaust Pipe cost?
This AJUSA Seal Ring Exhaust Pipe is available for £21.99. Seal Ring Exhaust Pipe prices vary depending on brand, specifications, and vehicle compatibility. AJUSA parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Seal Ring Exhaust Pipe?
Regular inspection of your Seal Ring Exhaust Pipe is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Seal Ring Exhaust Pipe?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Seal Ring Exhaust Pipe fitted by a professional mechanic.
Can I use this part as a replacement for OE 20691-JA10B?
Yes, this AJUSA Seal Ring Exhaust Pipe is a direct replacement for OE part number 20691-JA10B. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the AJUSA 18008300 the same as the AJUSA 18005100?
No, while both are Seal Ring Exhaust Pipe parts, they are different products. The AJUSA 18008300 has Thickness [mm]: 4 mm, Inner Diameter [mm]: 122 mm, Outer Diameter [mm]: 130 mm. The AJUSA 18005100 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.