27863724 Mercury MerCruiser Restrictor Gasket | Genuine Quicksilver OEM Part
27863724 Mercury MerCruiser Restrictor Gasket | Genuine Quicksilver OEM Part
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🔧 Product Description
Genuine Quicksilver Restricted Exhaust Elbow Gasket - Part Number: 27-863724
Genuine Quicksilver restricted-flow exhaust elbow gasket used between the manifold and riser / elbow on MerCruiser wet-joint centre-rise exhaust systems. This partially open restrictor gasket is used on standard-cooling MerCruiser GM V6 and V8 applications where the cooling system requires restricted riser flow.
⚙️ Key Features
- Genuine Quicksilver OEM restrictor gasket
- Correct Mercury part number 27-863724
- Listing reference: 27863724
- Restricted-flow wet-joint elbow gasket
- Used on standard-cooling centre-rise exhaust systems
- Not the full-flow 27-863726 gasket and not for dry-joint exhaust systems
🚤 Compatibility
Commonly used on
- MerCruiser standard-cooling wet-joint exhaust systems
- GM V6 and V8 centre-rise manifold / riser joints
- Restricted cooling flow exhaust configurations
Typically suits
- Engine models:
- MerCruiser 4.3L GM V6 centre-rise wet-joint exhaust applications
- MerCruiser 5.0L GM V8 centre-rise wet-joint exhaust applications
- MerCruiser 5.7L GM V8 centre-rise wet-joint exhaust applications
- MerCruiser 6.2L GM V8 wet-joint exhaust applications where specified
- MerCruiser 7.4L / 454 big-block wet-joint exhaust applications where specified
- MerCruiser 8.2L / 502 big-block wet-joint exhaust applications where specified
- MerCruiser GM V6 / V8 standard-cooling centre-rise manifolds, commonly 1981-1997 service families where 27-863724 is specified
- Engine Type: MerCruiser GM V6 and V8 petrol engines with wet-joint centre-rise exhaust
- System Type: Exhaust elbow / riser restrictor gasket
- Flow Type: Restricted / standard cooling
🔌 Function
The gasket seals the manifold-to-riser joint while restricting cooling-water flow through the riser passages according to the engine cooling design.
⚠️ Common Signs of Failure
- Rust staining around riser joint
- Exhaust leak or ticking noise
- Water leakage at gasket face
- Riser removed during exhaust service
- Wrong full-flow gasket installed in a restricted system
- Gasket crushed, split or delaminated
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 27-863724 current OEM restricted gasket reference
- 27-41313 related earlier restrictor gasket reference
- 27-41813 related earlier restrictor gasket reference where specified
OEM / Related Numbers
- 27-863724
- 863724
- 27863724
- 27-41313
- 41313
- 27-41813
- 41813
- Restrictor gasket
- Restricted exhaust elbow gasket
- Standard cooling riser gasket
- Wet-joint riser gasket
- 27-863726 related full-flow gasket
Aftermarket / Verified Equivalents
- Sierra: 18-0897
- Barr / Osco restricted wet-joint gasket equivalents where matched
- Recmar / RM0897 restricted riser gasket equivalent
- Aftermarket 27-863724 / 27-41313 / 27-41813 restrictor gasket replacements
- Do not substitute full-flow or block-off gaskets unless the cooling diagram requires them
📦 Condition
- Genuine Quicksilver part
- Brand new
- Supplied in original or equivalent packaging
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 new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. 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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