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Pro DRY S replacement with the correct engine and housing
The aFe 31-10271-MA replaces the original airbox filter in the specified applications with oil-free synthetic media. The exact current manufacturer specifies a pair of two elements, with Q50 2016–2024 and Q60 2017–2022 3.0L twin-turbo V6 applications and Q70 2014–2019 3.7L V6 coverage. It expressly says the listed applications require two filters. This package already contains those two elements; it does not require buying two pairs. Exact per-part retailer tables independently support the older FX35/FX37/FX50, M56, Q70/Q70L V8, QX70 and 300ZX applications. Those broader engine-specific applications are not inferred from a sibling filter or a shared model badge. Existing individually bounded rows are retained, with the missing 1990–1996 300ZX Turbo row restored from exact named and engine-specific retailer evidence and QX70 2014–2016 restored with 3.7L V6 coverage throughout and 5.0L V8 limited to 2014. Original numeric Q70/Q70L catalog submodel labels remain bounded source qualifications, not new engine-based trim inventions. Later Q50/Q60 named trims are not arbitrarily extended to the broad headline endpoints.
Key Features
- Oil-free synthetic filtration media.
- Washable oil-free synthetic media. Use the specified aFe POWER CLEANER, rinse appropriately and dry fully; do not apply air-filter oil. The current exact manufacturer specifies three layers of oil-free synthetic media.
- Rounded open pleats provide usable filter area and dust-holding capacity.
- Full polyurethane perimeter frame and progressive bump seal.
- Some exact retailers quote up to 7 percent flow or describe an inverted design, but the current exact manufacturer prose gives no verified numeric gain and describes 25 mm rounded pleats. Neither that retailer figure nor another filter shape is certified here, and no engine horsepower gain is guaranteed.
Fitment
| Detail | Value |
|---|---|
| Infiniti Q50 / Q60 | Current primary 2016–2024 / 2017–2022 3.0L twin-turbo; original named-trim endpoints retained |
| Infiniti Q70 / Q70L | Q70 3.7L primary 2014–2019; broader existing V8 and Q70L exact retailer rows retain their individual bounds |
| FX35 / FX37 / FX50 / M56 | Existing exact per-part retailer engine/year scopes retained; not all-Infiniti interchange |
| Infiniti QX70 | 2014–2016 3.7L V6 and 2014-only 5.0L V8 exact retailer coverage restored |
| Nissan 300ZX | 1990–1996 existing NA rows and restored Turbo named row; original twin-element housing required |
| Quantity | Two filters included in this pair; not two pairs or a complete intake system |
31-10271-MA: verify the exact engine, original element and housing. Model or trim names alone do not establish all-engine interchangeability.
Specifications
| Detail | Value |
|---|---|
| Manufacturer Part Number | 31-10271-MA |
| Media | Pro DRY S; oil-free synthetic media |
| Configuration | Two OE-replacement air-filter elements; original housing retained |
| Pleat description | 25 mm deep rounded pleats; not certified overall element height |
| Frame / seal | Polyurethane perimeter frame; progressive bump seal |
| Service | Washable oil-free synthetic media. Use the specified aFe POWER CLEANER, rinse appropriately and dry fully; do not apply air-filter oil. The current exact manufacturer specifies three layers of oil-free synthetic media. |
| Flow statement | Some exact retailers quote up to 7 percent flow or describe an inverted design, but the current exact manufacturer prose gives no verified numeric gain and describes 25 mm rounded pleats. Neither that retailer figure nor another filter shape is certified here, and no engine horsepower gain is guaranteed. |
| Emissions | Exact manufacturer page states this filter does not require a CARB EO number; other modifications are not certified by that statement |
What's Included
- Two Pro DRY S OE-replacement air-filter elements.
- No complete airbox, intake tube, sensor, separate coupler kit or filter-service supplies are documented as included.
About aFe Power
aFe Power develops application-specific intake, filtration, exhaust, cooling, tuning, suspension, drivetrain, and truck-performance components supported by product testing and documented installation requirements.
Related Parts
- Browse aFe Power filter configurations; compare the exact original housing and engine.
- Manufacturer filter-media maintenance guidance; follow the oil-free Pro DRY S cleaning routine.
Frequently Asked Questions
What is the 31-10271-MA?Two Pro DRY S OE-replacement air-filter elements for the verified housing and engine application described here; this is not a complete intake system.
Which application should I verify?The exact current manufacturer specifies a pair of two elements, with Q50 2016–2024 and Q60 2017–2022 3.0L twin-turbo V6 applications and Q70 2014–2019 3.7L V6 coverage. It expressly says the listed applications require two filters. This package already contains those two elements; it does not require buying two pairs. Exact per-part retailer tables independently support the older FX35/FX37/FX50, M56, Q70/Q70L V8, QX70 and 300ZX applications. Those broader engine-specific applications are not inferred from a sibling filter or a shared model badge. Existing individually bounded rows are retained, with the missing 1990–1996 300ZX Turbo row restored from exact named and engine-specific retailer evidence and QX70 2014–2016 restored with 3.7L V6 coverage throughout and 5.0L V8 limited to 2014. Original numeric Q70/Q70L catalog submodel labels remain bounded source qualifications, not new engine-based trim inventions. Later Q50/Q60 named trims are not arbitrarily extended to the broad headline endpoints.
Is the Pro DRY S media oiled?Washable oil-free synthetic media. Use the specified aFe POWER CLEANER, rinse appropriately and dry fully; do not apply air-filter oil. The current exact manufacturer specifies three layers of oil-free synthetic media.
Does the flow percentage guarantee more engine power?Some exact retailers quote up to 7 percent flow or describe an inverted design, but the current exact manufacturer prose gives no verified numeric gain and describes 25 mm rounded pleats. Neither that retailer figure nor another filter shape is certified here, and no engine horsepower gain is guaranteed.
How does this filter seal?Its progressive bump seal and full polyurethane perimeter frame conform to the original housing. The manufacturer says separate filter gaskets or sealants are not required; the existing housing must still close and secure correctly.
Are a hose coupler and cleaning kit supplied?The exact listing identifies an OE-replacement filter. A generic Coupler Included field does not establish a separate hose package; no airbox, tube, sensor, cleaner or oil bottle is documented as supplied.
Do I need two pairs because the note says Qty-2 filters?No. The exact manufacturer identifies two filters in this pair, and its note describes the vehicle requirement for two individual elements. It does not mean four elements or two complete pairs. Verify the original two-filter housings before installation.
When should I clean it?Inspect according to actual dust exposure and restriction. Washable oil-free synthetic media. Use the specified aFe POWER CLEANER, rinse appropriately and dry fully; do not apply air-filter oil. The current exact manufacturer specifies three layers of oil-free synthetic media. Use low-pressure rinse from the clean side toward the dirty side, let the element dry naturally before reinstalling. Do not use heat, compressed air or any filter oil. Do not treat an older general-care mileage example as a guaranteed interval for every vehicle or environment.
Installation Instructions
- Read the exact manufacturer product information for 31-10271-MA and the original vehicle airbox service procedure.
- With the engine off and cool, compare the new filter and original element, including the sealing interface. Resolve an engine or housing mismatch before installation.
- Open the original housing according to its service procedure, remove the old element and keep debris out of the clean intake path. Clean the housing seat.
- Seat the polyurethane frame evenly without folding the bump seal or adding sealant. Close and secure the original housing and inspect all its attachments.
- Washable oil-free synthetic media. Use the specified aFe POWER CLEANER, rinse appropriately and dry fully; do not apply air-filter oil. The current exact manufacturer specifies three layers of oil-free synthetic media.
No vehicle-specific installation PDF or numeric airbox torque is linked on this exact manufacturer page. Follow the original housing service procedure and the correct oil-free Pro DRY S maintenance directions. Read the manufacturer media maintenance guidance.
31-10271-MA: verify the original filter interface before operation.
California Proposition 65 Warning
- California Proposition 65 warning: this product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.
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