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Walker Heavy Duty 21040 Direct Fit Exhaust Muffler 1.5" Inlet (OD) 1.5" Outlet (OD)
✅ In stock
📉 Price recently dropped
C
Grade
Analysis Confidence
100%
Price verified Sep 22, 2026 8:36 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
🙂 Fair Price- 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The listed retail price is trimmed by 14% at checkout.
- 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
8.5/28
Recent Value
11.73/22
Market Standing
13.27/20
Deal Strength
7/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
Amazon.com
🚚 Shipping
Free Shipping
Product Details
✓COMPATIBILITY – Universal fit, check product dimensions
✓GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
✓Engineered with robust welds for durability
✓Bridge-constructed inlets/outlets help to ensure long service life
✓Available in multiple designs and styles for many on- or off-road commercial vehicles
✓New Walker accessories help to ensure effective exhaust repairs
✓Designed for use on agricultural vehicles
⚙️ Specifications
Brand
Walker
Item dimensions L x W x H
24 x 4 x 4 inches
Vehicle Service Type
Car, Truck
Item Weight
8 ounces
Shape
Round
Inlet Connection Size
1.5 inches
UPC
086387210409
Manufacturer
Tenneco (Dynomax, Walker, Thrush)
Global Trade Identification Number
00086387210409
Automotive Fit Type
Vehicle Specific Fit
Model
Oxygen Sensor