Spark Plug for Lexus RX: Polypropylene
This spark plug for the Lexus RX is specified around polypropylene, which decides how it behaves in service far more than the part name does. We build to a written specification — base material, dimensions, finish and packing — and hold that specification on file so every reorder reproduces the approved piece.
The usual reason a programme changes supplier is not unit price. It is a fitment that looked right on paper and failed on the bench, or warranty claims traced back to a single lot. Both are specification problems, and both are preventable.

Specification
| Product | Spark Plug |
|---|---|
| Vehicle application | Lexus RX |
| Material / finish | Polypropylene |
| Typical use | Roadside Assistance |
| MOQ | 200 pieces per specification |
| Sampling | 7 working days, 3 days per revision |
| Bulk lead time | 20-55 days after approval |
| Compliance | SGS |
| Packing | 10 pieces per inner box, 1000 per carton |
Material options
- PVC Coated Fabric — selected when the part is exposed to weather and road salt
- Aluminium Alloy — preferred when weight matters more than rigidity
- Tempered Glass — used when the finish has to hold a coating
- PU Leather — preferred when weight matters more than rigidity
- Polypropylene — the cost-effective default for volume programmes

Processes available
- surface grinding
- CNC machining
- anodising
- ultrasonic cleaning
- cold forging
- sintering
Fitment notes
Check whether the mounting points on your market version match the catalogue drawing — regional variants are the usual cause of a wrong first order.
Where it is used
The specification above is the one most often ordered for roadside assistance. Related applications include urban courier work, heavy load hauling, adventure travel, wet weather riding, mining sites.
Quality and packing
- In-line inspection with AQL 4.0 sampling on every lot.
- Dimensional report issued against the approved drawing.
- Carton marking and barcode to your specification.
- Golden sample retained at the factory as the reorder reference.
Questions buyers ask
What happens if a lot fails inspection?
The lot is re-inspected against the golden sample, and replacement pieces ship on the next available booking at our cost.
Can you match an existing sample?
Send a sample and we will reverse-engineer the specification, then produce a counter sample for approval before any bulk starts.
How is packing specified?
Individual packing, inner box quantity and carton marking are confirmed at quotation stage so the cartons arrive ready for your warehouse.
Can the specification be held on file?
Yes. Once approved, the specification is recorded against your part number so a reorder reproduces the SGS-compliant build instead of a fresh interpretation.
Send the part number, the annual volume and the target market, and we will come back with a specification and a sampling plan.







