Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.
x
Sorry, Something went wrong!
PHILTOP New 13987N Alternator Compatible with Dodge, 2003-2005 Ram 2500 5.9T, 2003-2005 Ram 3500 5.9T 136A S8 CW Alternator Replacement
✅ In stock
⭐ Lowest price we've tracked
F
Grade
Analysis Confidence
55%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 2, 2026 8:18 AM · 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.
- 💰The current price sits right around what this item typically fetches.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- ➡️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
20/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Amazon.com
🚚 Shipping
Free Shipping
Product Details
✓Vehicle Fitment: PHILTOP New Automotive Alternator compatible with 2003-2005 Ram 2500 5.9T, 2003-2005 Ram 3500 5.9T
✓OE Number: 13987N, MPA13987, 13987, 56028732AA, 90156434, 88861857
✓Alternator Specification: Amperage: 136A; Voltage: 12V; Pulley Class: S8; Rotation: CW; Design: ER/IF; Condition: Brand New. Utilizes original factory data, meets OEM standards, and can be directly installed as a replacement.
✓Professional Alternator: New alternator undergoes vibration resistance testing, voltage endurance testing, temperature resistance testing (-40°C to 105°C), and salt spray testing. Meeting OEM-grade quality standards, it employs varnish-impregnated insulation to prevent short circuits, ensuring reliable power supply for vehicles even under harsh road conditions.
✓Stable Output: Equipped with an internal voltage regulator, the alternator automatically adjusts voltage to prevent overloading. Built for durability, it utilizes die-cast aluminum alloy, pure copper windings, and silicon steel laminations, delivering excellent conductivity, low heat generation, and superior heat dissipation.
⚙️ Specifications
PHILTOP
PHILTOP
Alternator
15.99 pounds
10.69 x 8.74 x 8.03 inches
13987N Alternator
Machined
3202ANR0516US
13987N, MPA13987, 13987, 56028732AA, 90156434, 88861857
Front
Low Oil Shutoff and overload protection for safety, OE Quality Materials and Construction, Vibration & Shock Resistant, High-Voltage Insulation Safety,8H Wide-Temperature Tolerance, 116H Salt Spray, Endurance & Longevity Verified
136 A
Manufacturer
PHILTOP
Brand
PHILTOP
Model
Alternator
Item Weight
15.99 pounds
Product Dimensions
10.69 x 8.74 x 8.03 inches
