18484A3 Cover With Decals 861314A10 5.0 Thunderbolt Mercruiser Engine Cover | Genuine Used Part
18484A3 Cover With Decals 861314A10 5.0 Thunderbolt Mercruiser Engine Cover | Genuine Used Part
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🔧 Product Description
Genuine MerCruiser 5.0L Thunderbolt Carburettor / Flame-Arrestor Cover with Decals - Part Numbers: 18484A3 / 861314A10
A genuine MerCruiser decorative induction cover supplied with the 5.0L decal set for selected carburetted GM 305 V8 sterndrive engines.
The plastic 18484A3 cover fits over the carburettor and flame-arrestor area. Decal set 861314A10 identifies the engine as a 5.0L MerCruiser package and supersedes the earlier 861314A4 decal set.
⚙️ Key Features
- Genuine MerCruiser induction-cover shell
- Cover part number 18484A3
- 5.0L decal set part number 861314A10
- Supersedes decal set 861314A4
- Suitable for selected carburetted 5.0L Bravo engines
- Protects and dresses the carburettor and flame-arrestor area
🚤 Compatibility
Commonly used on
- MerCruiser 5.0L Bravo carburetted sterndrive engines
- GM 305 CID / 5.0L V8 marine petrol engines
- Thunderbolt-ignition MerCruiser engine packages using the 18484A3 cover
Documented application
- MerCruiser 5.0L Bravo two-barrel carburetted engine
- Serial range approximately 0L015751-0M599999
- Model years approximately 1998-2001
- Engine Size: 5.0L / 305 CID
- Engine Type: GM V8 carburetted petrol sterndrive engine
- Fitment Requirement: Confirm the flame-arrestor size, mounting stud and engine serial number
🔌 Function
The cover fits over the carburettor and flame-arrestor assembly to protect the upper induction components from loose items and improve the appearance of the engine compartment.
⚠️ Common Signs of Failure
- Plastic shell is cracked around the mounting point
- Cover no longer sits securely on the flame arrestor
- Decals are faded, peeling or damaged
- Mounting stud, washer or nut is missing
- Cover has warped from engine-compartment heat
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 861314A10 → Supersedes 861314A4
- 18484A3 original carburettor / flame-arrestor cover kit
- Both the cover and original decal kit are discontinued or limited in current OEM supply
OEM / Related Numbers
- 18484A3 cover kit
- 861314A10 5.0L decal set
- 861314A4 earlier 5.0L decal set
- 805016A1 related flame arrestor on documented applications
- 863200 related flame arrestor
- 8M0113181 related cover stud
- 12-86400 related washer
- 11-826709109 related retaining nut
Aftermarket / Verified Equivalents
- Reproduction MerCruiser 5.0 Thunderbolt flame-arrestor decal kits
- Specialist used 18484A3 cover shell
- Professionally refinished original cover with replacement decals
- No verified direct aftermarket replacement cover shell
📦 Condition
- Genuine used cover with the listed decal set
- Decals may show normal age-related fading, scratches or edge wear
- Removed from running engine where applicable
- In good working condition unless otherwise stated
- Flame arrestor and mounting hardware are included only where specifically stated
Shipping & Delivery
Shipping & Delivery
Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.
Returns & Warranty
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in the condition you received it for a refund or exchange. Full details in our Refunds & Returns policy.
Not sure this fits?
Not sure this fits?
Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.
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