Used OEM Part · Tested

Isuzu Ascender 4.2L (VIN S, 8th digit) 4.2L Engine (2003-2004)

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Confirm it fits YOUR vehicleEnter your VIN — we verify exact fit before you pay
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Unit Condition & Specs
AvailabilityIn stock — ready to ship
55% OFF $2,970.00
$1,350.00
Mileage
✓ Flat-rate freight — insured & tracked ·✓ 90-day warranty included· freight shown at checkout: $250 commercial / $400 residential
Ships within 3 - 5 business days Approx - flat-rate freight, tracked & insured Most orders arrive 5–7 business days after dispatch (US). You get tracking the moment it ships.
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🛡90-Day WarrantyParts replacement
🚚Flat-Rate FreightDelivered to your door
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How ordering works

  1. 1Enter or confirm your VIN
  2. 2We verify exact fitment for your vehicle
  3. 3Flat freight shown up front — no surprises
  4. 490-day warranty included on every part
  5. 5We photograph & confirm the unit before it ships
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Part details

About this part

OEM 4.2L Inline-6 Engine for 2003-2004 Isuzu Ascender

Restore your Isuzu Ascender's smooth power delivery with our genuine 4.2L Atlas LL8 inline-6 engine. Specifically designed for 2003-2004 Ascender models with 8th VIN digit S, this durable powerplant delivers the torque-rich performance and reliability that made the Ascender a capable midsize SUV.

Engine Specifications:

Category Details
Displacement 4.2L Inline-6
Engine Code Atlas LL8 (VIN S)
Horsepower 275 HP 
Torque 275 lb-ft 
Fuel System Sequential Multi-Port Fuel Injection
Valvetrain DOHC 24-Valve
Block Material Cast Iron Block, Aluminum Heads
 

Compatibility: 2003-2004 Isuzu Ascender 4.2L 8th VIN Digit S

Pricing & Condition Options:

Mileage Range Price Condition
30K-60K Miles $ 1,210.00 Low mileage, excellent compression, well-maintained
60K-90K Miles $ 850.00 Strong runner, complete service history available
90K-120K Miles $ 700.00 Good condition, includes updated components
120K-150K Miles $ 600.00 Budget-friendly Ascender restoration
 

Key Features:

Complete Long Block Assembly: Includes block, crankshaft, pistons, and cylinder head assembly

Direct Fit Replacement: OEM specifications ensure perfect compatibility

Warranty Protected: Comprehensive coverage for peace of mind

Shipping Information:

Standard Shipping: 5-7 business days

Expedited Shipping: Available at additional cost

Frequently Asked Questions?

Q: Is this engine compatible with both 2WD and 4WD Ascender models?

A: Yes, this engine works with both two-wheel drive and four-wheel drive configurations available in the 2003-2004 Ascender.

Q: What transmission does this engine pair with?

A: This engine is compatible with the 4-speed automatic transmission used in all 2003-2004 Ascender 4.2L models.

Q: How do I confirm this engine will fit my Ascender?

A: Verify your 2003-2004 Isuzu Ascender has the 8th digit of the VIN as "S" to ensure proper compatibility.

Ready to Order?

Click Add to Cart to select your preferred mileage option and proceed to checkout. Contact our Isuzu specialists for personalized compatibility verification and installation support for your Ascender.

Order with confidence

Tested, VIN-matched, and guaranteed

VIN-Verified Fit

We match the part to your vehicle's VIN and confirm exact fitment before we ship — so it fits the first time. Free cancellation within 24 hours.

Works on Arrival, Guaranteed

Every unit is tested before it ships. If it arrives defective, we replace it fast — and in the rare case we can't replace it, you get a full refund.

90-Day Warranty

A real parts-replacement warranty, included — with extended coverage available.

Real photos of the exact unitWhat you see is what ships
A-grade OEM, testedVerified specs, not estimated
VIN-matched to your vehicleConfirmed before dispatch
Shipping & delivery

Heavy freight item, shipped fully insured and tracked. Freight is a flat $250 commercial / $400 residential, shown at checkout — no hidden fees, no freight-quote runaround.

1Ships within 3 - 5 business days ApproxCarefully packed & dispatched from our US warehouse
2Freight to your doorBrought to your door
3Delivered in 5–7 business daysTracked & insured · tracking sent when it ships
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