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LS Rear Block Cover & Main Seal Kit - 12633579 12639250 635-518 BS40640 for GM LS LS1 LS6 LS2 LS3 LQ9 LQ4 V8 Engine 4.8L 5.3L 5.7L 6.0L 6.2L Chevy Silverado Suburban Tahoe Trailblazer GMC Sierra
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Apr 14, 2026 8:35 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.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
DorceDwell
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Engine Rear Main Seal Cover Kit with Gasket & Bolt: replacement for 12633579, 12639250, 635-518, 89060436, 12639249, BS 40640.
✓LS Rear Main Seal: Compatible with 4.8L 5.3L 5.7L 6.0L 6.2L Chevrolet Silverado, Suburban, Tahoe, Avalanche, Colorado, Camaro, Express, Trailblazer, Caprice, Impala, GMC Sierra, Yukon, Savana, Envoy, Canyon, Cadillac Escalade with LS1 LS2 LS3 LS6 LM7 LQ4 LQ9 V8 engines
✓Leak Prevention: effectively prevents oil leaks from the rear main seal area, protecting the engine from potential damage.
✓High Quality & Durable: application specific design to ensure a perfect fit, meets all original equipment specifications. Reliable quality you can trust.
✓Professional Service: before purchasing, research to ensure that the part will fit your vehicle; check all vehicle information (year, make, model, engine and trim) for compatibility. Your satisfaction is our company's top priority. If there are any questions or problems, please feel free to contact us, we will reply and resolve it ASAP.
⚙️ Specifications
Brand
DorceDwell
Material
Aluminum
Manufacturer
DorceDwell
Unit Count
1 Count
Package Dimensions
14.37 x 11.42 x 0.65 inches
Item Weight
0.9 kg
ASIN
B0DZ26T28S
Item model number
DD13 12639250
Date First Available
March 3, 2025
Best Sellers Rank
See Top 100 in Automotive
Brand Name
DorceDwell
