Rislone Block Seal 41111 – Permanent Head Gasket Fix, 680g

Product Description

The Rislone Block Seal 41111 is a permanent head gasket fix and engine block sealant trusted by Indian mechanics and car owners nationwide. This 680g USA-made formula chemically seals blown head gaskets, cracked cylinder heads, and coolant leaks — no engine teardown required. Compatible with Maruti, Tata, Hyundai, Mahindra, and all petrol, diesel, turbo, and hybrid engines running in India's demanding heat and stop-go traffic.

Features & Benefits

• Permanent Chemical Bond: Seals once — no repeat treatments or top-ups needed.
• Saves ₹20,000–₹80,000: Eliminates costly teardowns at authorised Indian service centres.
• India Heat Resistant: Engineered for temperatures exceeding 45°C — built for Indian summers.
• Cooling System Safe: Non-clogging formula protects radiators, water pumps, and heater cores.
• Zero Disassembly: Pour directly into coolant reservoir; repair completes during normal driving.
• Genuine USA Origin: Authentic Rislone product — not a duplicate or grey-market import.
• Broad Compatibility: Works across petrol, diesel, turbocharged, and hybrid engine types.

Detailed Specifications

How To Use

1. Ensure engine is fully cool before opening the coolant reservoir.
2. Pour the entire 680g bottle into the coolant reservoir.
3. Run engine at idle for 15–30 minutes with heater set to high.
4. Top up coolant if needed, then drive normally to complete the cure.

What's Included in the Box

• 1 × Rislone Block Seal 41111 (680g bottle)
• 1 × Usage instruction leaflet

Comparison: Rislone Block Seal 41111 vs Generic Alternatives

Understanding the Technology

Rislone Block Seal 41111 uses a proprietary sodium silicate and fibre matrix formulation that activates under engine heat to form a rigid, pressure-resistant seal within combustion chamber cracks and gasket failures. Unlike conventional stop-leak products that rely on particulate matter — which risks clogging India's hard-water-affected cooling systems — this formula bonds chemically to metal surfaces. The result is a durable repair that withstands cylinder compression pressures and the thermal cycling common in Indian urban traffic. It is the preferred engine block sealant solution for blown head gasket repair without workshop disassembly.

Warranty & Support in India

• Warranty: 1-year warranty against manufacturing defects
• Customer Support: Monday–Saturday, 9 AM–6 PM IST. WhatsApp / Phone: +91 93112 11157 · hello@naredi.in
• Returns: 14-day return and exchange policy, COD returns accepted
• Delivery: Free delivery across India, Cash on Delivery available

Frequently Asked Questions

Is this compatible with my Maruti Swift or Hyundai i20?

Yes — Rislone Block Seal 41111 is verified for all petrol and diesel engines including popular Indian models like Maruti, Hyundai, Tata, and Mahindra.

How do I raise a warranty claim in India?

Contact our support team via WhatsApp / Phone: +91 93112 11157 or hello@naredi.in, Monday–Saturday, 9 AM–6 PM IST — support available in English and Hindi.

Is Cash on Delivery available?

Yes — COD is available across India with free delivery to all pin codes.

Will one bottle be enough for a complete repair?

Yes — the entire 680g bottle is designed as a single, complete treatment for a permanent seal.