Gen II Stealth Fuel Tank, 65-67 Pontiac GTO / 66-67 Lemans

Gen II Stealth Fuel Tank, 65-67 Pontiac GTO / 66-67 Lemans

Part Number: 18121
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Product Info

P/N 18121: '65-'67 Pontiac GTO & '66-'67 Lemans
With Stealth 200 pump and 0-90 ohm sending unit

  • Perfect for EFI and carbureted engines

  • OEM appearance and 21.5-gallon capacity

  • High flow, quiet 200 or 340 Stealth fuel pump

  • 0-90 Ohm fuel level sending unit included

  • Billet hat with ORB-06 outlet and return ports

  • Utilizes OEM fuel outlet location and seal

  • Featuring patented, award-winning Phantom Baffle technology for superior fuel slosh control

  • Plug-and-play; comes pre-assembled with pump and sending unit in the tank, ready for install

  • Utilizes stock mounting straps, filler cap and vent

  • This product is not legal for sale or use on emission-controlled vehicles except when used as a direct replacement part matching OEM specifications.


P/N 18121 - 200lph Stealth Gen II Tank Application Specs:

  • Fuel Injected Engines (gasoline):

    • Up to 600 HP – naturally aspirated.

    • Up to 450 HP – forced air induction.



  • Carbureted Engines (gasoline):

    • Up to 750 HP – naturally aspirated.

    • Up to 600 HP – forced air induction.




P/N 18421 - 340lph Stealth Gen II Tank Application Specs:

  • Fuel Injected Engines:

    • Gasoline: up to 850 HP – naturally aspirated.

    • Gasoline: up to 700 HP – forced air induction.

    • E85: up to 595 HP – naturally aspirated.

    • E85: up to 490 HP – forced air induction.



  • Carbureted Engines:

    • Gasoline: up to 1000 HP – naturally aspirated.

    • Gasoline: up to 850 HP – forced air induction.

    • E85: up to 700 HP – naturally aspirated.

    • E85: up to 595 HP – forced air induction.




GEN II Stealth Tank Diagrams – Click Here

Additional information

Why an Aeromotive Gen II Stealth Fuel Tank?

The new Gen II Stealth tank utilizes Aeromotive’s patented and award-winning Phantom in-tank technology that enables a quiet, high-flow EFI pump and baffle to maintain an ample fuel supply around the inlet of the pump while ensuring consistent fuel delivery and drivability even in low fuel conditions.

Unlike competitive tanks, Aeromotive’s Gen II Stealth tanks feature outlet and return ports along with electrical terminals positioned in the OEM location. This design enables flush installation to the vehicle floor and will not require strap modification or spacers.

All Gen II Stealth tanks come out of the box completely assembled. The fuel pump, fuel level sending unit, and fuel/electrical bulkhead are pre-installed. As a true plug-and-play assembly, the Aeromotive Gen II Stealth tank gets you out of the garage and on the road in no time. This product is not legal for sale or use on emission-controlled vehicles except when used as a direct replacement part matching OEM specifications.

Specifications

#18121 - 200 lph #18421 - 340 lph
Series Gen II Stealth Gen II Stealth
Capacity 21.5 Gallons 21.5 Gallons
Baffled Yes Yes
Material Steel Steel
Universal Or Specific Fit Specific Specific
Color Silver Silver
Filler Neck Attached Yes Yes
Width 11 Inches 11 Inches
Fuel Type Gas Gas
Grade Type Performance Performance
Height 33 Inches 33 Inches
Length 40 Inches 40 Inches
Mounting Hardware Included No No
Mounting Straps Included No No
Sender Ohm Range 0-90 0-90
Sending Unit Included Yes Yes
Fuel Pump Included Yes Yes
Maximum Flow Rating 200LPH 340LPH
Maximum Pressure 95 PSI 105 PSI
Pump Design Turbine Impeller Turbine Impeller
Motor Style Brushed Brushed
Integrated Controller No No
Pulse Width Modulation Compatible Yes Yes
Outlet Type Female Female
Outlet Outside Diameter ORB-06 ORB-06
Return Fitting Size ORB-06 ORB-06
Maximum Current Draw 8.3A @ 40PSI 13A @ 40PSI
Voltage 12-16V 12-16V
Negative Ground Yes Yes
Terminal Gender Male Male
Terminal Quantity 3 3
Terminal Type Threaded Stud Threaded Stud

Installation Instructions

Instruction Manual
18121 Installation Instructions

Download PDF
Instruction Manual
18421 Installation Instructions

Download PDF

Product warranty

Retail Purchasers:

  • Warranty: 1 year from purchase date with proof.
  • Claims: Contact Aeromotive for issues and RGA. Pre-paid shipping required.
  • Remedies: Limited to product sale price. Not liable for incidental damages. Not for emission-controlled vehicles.
  • Contact: 913-808-2376, option 3 (have part, proof of purchase, pen, paper).

Distributors:

  • Warranty Returns: Require RGA and proof of customer purchase. Handled as repair or replacement.
  • Stock Adjustments: Annual returns need prior approval and RGA. Over 5% of annual sales incur 15% restocking fee. Account credit only, no cash refunds.

Returns & replacements

Returns:

  • Accepted within 90 days of purchase.
  • Prior authorization required; items must be new and resaleable.
  • Call 913-808-2376 to initiate a return and get an RGA.
  • Ship unused products in original packaging with proof of purchase.
  • You pay return shipping; use a trackable method.
  • Refund excludes initial shipping fees and may include up to a 15% restocking fee.
  • Refunds processed within 5-10 days of return acceptance.

Defective Items:

  • Call 913-808-2376 (Returns and Repairs) for assistance.
  • Follow RGA/Warranty protocol for refunds or replacements.

Limits of Responsibility:

  • See Product Warranty page for more info.

Price/Description Changes:

  • Prices, pictures, and descriptions may change.
  • Report discrepancies within 30 days.
  • No refunds for price differences on past or future orders.

Promotions:

  • Discount codes apply to web store orders only.
  • Not valid on previous orders or outside promotion dates.

Reviews

Gen II Stealth Fuel Tank, 65-67 Pontiac GTO / 66-67 Lemans

Gen II Stealth Fuel Tank, 65-67 Pontiac GTO / 66-67 Lemans

Part Number: 18121
Choose your Pump Option:
Regular price $720.95
Sale price $720.95 Regular price

Part Number: 18121

$50 MAIL-IN REBATE Learn more

Does This part fit My vehicle?

Assembled custom for you in 2-3 weeks in Kansas

Product details
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Product Info

P/N 18121: '65-'67 Pontiac GTO & '66-'67 Lemans
With Stealth 200 pump and 0-90 ohm sending unit

  • Perfect for EFI and carbureted engines

  • OEM appearance and 21.5-gallon capacity

  • High flow, quiet 200 or 340 Stealth fuel pump

  • 0-90 Ohm fuel level sending unit included

  • Billet hat with ORB-06 outlet and return ports

  • Utilizes OEM fuel outlet location and seal

  • Featuring patented, award-winning Phantom Baffle technology for superior fuel slosh control

  • Plug-and-play; comes pre-assembled with pump and sending unit in the tank, ready for install

  • Utilizes stock mounting straps, filler cap and vent

  • This product is not legal for sale or use on emission-controlled vehicles except when used as a direct replacement part matching OEM specifications.


P/N 18121 - 200lph Stealth Gen II Tank Application Specs:

  • Fuel Injected Engines (gasoline):

    • Up to 600 HP – naturally aspirated.

    • Up to 450 HP – forced air induction.



  • Carbureted Engines (gasoline):

    • Up to 750 HP – naturally aspirated.

    • Up to 600 HP – forced air induction.




P/N 18421 - 340lph Stealth Gen II Tank Application Specs:

  • Fuel Injected Engines:

    • Gasoline: up to 850 HP – naturally aspirated.

    • Gasoline: up to 700 HP – forced air induction.

    • E85: up to 595 HP – naturally aspirated.

    • E85: up to 490 HP – forced air induction.



  • Carbureted Engines:

    • Gasoline: up to 1000 HP – naturally aspirated.

    • Gasoline: up to 850 HP – forced air induction.

    • E85: up to 700 HP – naturally aspirated.

    • E85: up to 595 HP – forced air induction.




GEN II Stealth Tank Diagrams – Click Here

Additional information

Why an Aeromotive Gen II Stealth Fuel Tank?

The new Gen II Stealth tank utilizes Aeromotive’s patented and award-winning Phantom in-tank technology that enables a quiet, high-flow EFI pump and baffle to maintain an ample fuel supply around the inlet of the pump while ensuring consistent fuel delivery and drivability even in low fuel conditions.

Unlike competitive tanks, Aeromotive’s Gen II Stealth tanks feature outlet and return ports along with electrical terminals positioned in the OEM location. This design enables flush installation to the vehicle floor and will not require strap modification or spacers.

All Gen II Stealth tanks come out of the box completely assembled. The fuel pump, fuel level sending unit, and fuel/electrical bulkhead are pre-installed. As a true plug-and-play assembly, the Aeromotive Gen II Stealth tank gets you out of the garage and on the road in no time. This product is not legal for sale or use on emission-controlled vehicles except when used as a direct replacement part matching OEM specifications.

Specifications

#18121 - 200 lph #18421 - 340 lph
Series Gen II Stealth Gen II Stealth
Capacity 21.5 Gallons 21.5 Gallons
Baffled Yes Yes
Material Steel Steel
Universal Or Specific Fit Specific Specific
Color Silver Silver
Filler Neck Attached Yes Yes
Width 11 Inches 11 Inches
Fuel Type Gas Gas
Grade Type Performance Performance
Height 33 Inches 33 Inches
Length 40 Inches 40 Inches
Mounting Hardware Included No No
Mounting Straps Included No No
Sender Ohm Range 0-90 0-90
Sending Unit Included Yes Yes
Fuel Pump Included Yes Yes
Maximum Flow Rating 200LPH 340LPH
Maximum Pressure 95 PSI 105 PSI
Pump Design Turbine Impeller Turbine Impeller
Motor Style Brushed Brushed
Integrated Controller No No
Pulse Width Modulation Compatible Yes Yes
Outlet Type Female Female
Outlet Outside Diameter ORB-06 ORB-06
Return Fitting Size ORB-06 ORB-06
Maximum Current Draw 8.3A @ 40PSI 13A @ 40PSI
Voltage 12-16V 12-16V
Negative Ground Yes Yes
Terminal Gender Male Male
Terminal Quantity 3 3
Terminal Type Threaded Stud Threaded Stud

Installation Instructions

Instruction Manual
18121 Installation Instructions

Download PDF
Instruction Manual
18421 Installation Instructions

Download PDF

Product warranty

Retail Purchasers:

  • Warranty: 1 year from purchase date with proof.
  • Claims: Contact Aeromotive for issues and RGA. Pre-paid shipping required.
  • Remedies: Limited to product sale price. Not liable for incidental damages. Not for emission-controlled vehicles.
  • Contact: 913-808-2376, option 3 (have part, proof of purchase, pen, paper).

Distributors:

  • Warranty Returns: Require RGA and proof of customer purchase. Handled as repair or replacement.
  • Stock Adjustments: Annual returns need prior approval and RGA. Over 5% of annual sales incur 15% restocking fee. Account credit only, no cash refunds.

Returns & replacements

Returns:

  • Accepted within 90 days of purchase.
  • Prior authorization required; items must be new and resaleable.
  • Call 913-808-2376 to initiate a return and get an RGA.
  • Ship unused products in original packaging with proof of purchase.
  • You pay return shipping; use a trackable method.
  • Refund excludes initial shipping fees and may include up to a 15% restocking fee.
  • Refunds processed within 5-10 days of return acceptance.

Defective Items:

  • Call 913-808-2376 (Returns and Repairs) for assistance.
  • Follow RGA/Warranty protocol for refunds or replacements.

Limits of Responsibility:

  • See Product Warranty page for more info.

Price/Description Changes:

  • Prices, pictures, and descriptions may change.
  • Report discrepancies within 30 days.
  • No refunds for price differences on past or future orders.

Promotions:

  • Discount codes apply to web store orders only.
  • Not valid on previous orders or outside promotion dates.

Reviews

Year / Make / Model 1965-1967 Pontiac GTO
Engine Size(s) Liters: 6.4, 6.6
Cubic Inches: 389, 400

Year / Make / Model 1966-1967 Pontiac LeMans
Engine Size(s) Liters: 3.8, 5.3
Cubic Inches: 230, 326

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