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- MakeCummins
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Cummins ISC 8.3L, ISL Exhaust Manifold Gasket P/N 3937479
$32.00
In stock — order before 11am AEST for same-day shipping
Cummins ISC 8.3L, ISL Exhaust Manifold Seals the junction between the exhaust manifold and cylinder head on Cummins ISC, ISL, QSL and related engines.
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Willys Workshop · Oxley & Warana, QLD
Easy returns within 14 days
12 Month Warranty
Tuning & Fitment Available
Fast AU-Wide Shipping
Easy returns within 14 days
12 month warranty
Description
Cummins ISC 8.3L, ISL Exhaust Manifold
Seals the junction between the exhaust manifold and cylinder head on Cummins ISC, ISL, QSL and related engines.
OEM part ensures a proper fit to prevent exhaust leaks, noise, heat damage, and loss of performance.
Heavy duty multi layer steel construction
Price is for 1 only, you will require 6 for a full set for your engine
3937479
Shipped Australia-Wide
- Dispatched from within Australia with tracking.
- Same-day dispatch on in-stock orders placed before 11am AEST, Monday–Friday.
- Shipping is calculated at checkout based on size, weight and your delivery address.
- Estimated delivery 2–7 business days depending on your location.
Freight question? Call us on (07) 5619 7869.
Cummins ISC 8.3L, ISL Exhaust Manifold Seals the junction between the exhaust manifold and cylinder head on Cummins ISC, ISL, QSL and related engines. OEM part ensures a proper fit to prevent exhaust leaks, noise, heat damage, and loss of performance.
Additional information
| Weight | 15 kg |
|---|---|
| Dimensions | 120 × 30 × 25 cm |
Double Duty Diesel — Manufacturer Pass-Through Warranty
Double Duty Diesel parts carry the original manufacturer's warranty:
- Fluidampr — Lifetime warranty on harmonic balancers
- MAHLE / Clevite — 12 months on bearings, gaskets, sealing components
- Dynomite Diesel — 12 months on stock-spec injectors and pumps; performance/race spec varies
- Power Driven Diesel — 12 months on turbos and bundled tuning kits
- Returns must be notified within 30 days of delivery
- Parts only — installation not covered
Workshop fitment available at Willys for transmissions, injectors and engine internals.
Read the full Double Duty Diesel warranty terms →
Warranty claims are coordinated through Willys Workshop. Email sales@willysworkshop.com.au or call Warana (07) 5619 7869 / Oxley (07) 3377 3421 with your order number and a description of the issue.
Questions, or need a fitment check?
Send your rego or VIN and our Australian-based team will manually confirm fitment before you buy.
Prefer to text your rego/VIN? 0485 885 957
