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K&W 401016 Block Seal Permanent Metallic™ Block & Radiator Seal - 16 Oz
✅ In stock
F
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 30, 2026 5:06 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰At 22% above its usual rate, this is currently priced higher than what most shoppers have paid.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0.49/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
MM DEALS STORE
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Permanent molecular seal that’s as strong as steel
✓Seals cracks & holes in cast iron and aluminum engine blocks, head gaskets, freeze plugs, and copper, aluminum and bi-material radiators & heater cores
✓For use in all water-cooled diesel and gasoline vehicles
✓Withstands extreme pressure and temperatures of a cooling system and will not wash away
✓Professional grade formula exceeds ASTM D6107 for effectively sealing leaks in cooling systems
⚙️ Specifications
5.87 x 2.31 x 2.13 inches
1.15 pounds
CRC
B000CIPV5E
401016
No
Product Dimensions
5.87 x 2.31 x 2.13 inches
Item Weight
1.15 pounds
Manufacturer
CRC
ASIN
B000CIPV5E
Item model number
401016
Is Discontinued By Manufacturer
No
Date First Available
July 7, 2004
Best Sellers Rank
See Top 100 in Automotive
