Nulon Engine Stop Leak 300mL
+ $10.00 NZ delivery for this item
Fits most cars
- Dispatched in 1–3 business days; delivery usually 2–7 business days after dispatch. Delivery details
- 7-day change-of-mind returns on unused, unopened items
- Warranty: 3 months. Warranty details
- Questions? Email sales@kwauto.co.nz
Brings dried, hardened and shrunken seals back to life to reduce oil leaks, and helps reseal valve stem seals to cut smoke on start-up. Add one bottle for every 5 litres of oil and idle for a minute. It can also be used in manual gearboxes and differentials. Suits petrol, diesel and LPG engines.
Key features
- Revives dried and hardened seals
- Reduces oil leaks and start-up smoke
- Also for manual gearboxes and diffs
- 1 bottle per 5L of oil
- Petrol, diesel and LPG
What's in the box
1 × 300mL bottle
FAQs
Is it a permanent fix?
Stop-leak products are a cost-effective fix for minor seepage from ageing seals and small leaks. Large leaks, cracked parts or failed gaskets still need a mechanical repair.
How much do I add?
Add one bottle for every 5 litres of oil and idle for a minute.
Can I use it in a gearbox or differential?
Yes. It can also be used in manual gearboxes and differentials, as well as petrol, diesel and LPG engines.
Delivery: Dispatched in 1–3 business days; NZ delivery usually 2–7 business days after dispatch. Prices are in NZD and include GST.
| Brand | Nulon |
|---|---|
| Part number | ESL |
| Size | 300mL |
| Shipping weight | 0.42 kg (approx.) |
| Warranty | 3 months |
| Warranty |
|---|
The warranty period is as stated above, unless the manufacturer specifies a longer period.
For a warranty claim, email sales@kwauto.co.nz first and we'll arrange the next steps. This doesn't affect your rights under the Consumer Guarantees Act 1993.
Delivery
- NZ-wide delivery.
- Dispatched in 1–3 business days; delivery usually 2–7 business days after dispatch (rural addresses +1–3 business days).
- Delivery for this item: $10.00. Orders are charged by total parcel weight – see delivery rates.
Returns
- Change-of-mind returns within 7 days of delivery for unused, unopened items that haven't been fitted to a vehicle, in their original packaging. See our returns and refunds policy.
- For change-of-mind returns you pay the return postage, and a restocking fee of up to 10% may apply.
- Faulty products are repaired, replaced or refunded in line with the Consumer Guarantees Act 1993.
- To start a return, email sales@kwauto.co.nz with your order number.
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