Product Summary

Universal Fit, Spun/Round Fuel Tank Style, Polished

  • Specifically designed for off-road use
  • Measures 10" x 40" and has a 13-1/2 gallon capacity
  • Manufactured from highly polished, 100% stainless steel
  • Includes a centered outlet bung on underside of the tank
  • Includes 2 polished stainless steel straps and a twist on gas cap
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Key Specs

MFG. Part #3899
Fuel Tank StyleSpun/Round
Fuel System TypeCarbureted
Capacity13.5 gallons
Material TypeStainless Steel
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Need To Know

Quick and Easy Returns

Return Policy

EMPI 3899 Details

Highly Polished 100% Stainless Steel...Great looks and No Rust...ever!  Stronger with a more durable finish - that won't dull - like polished aluminum.  Available in 5 lengths, 10" diameter and include 2 polished stainless steel straps, and a twist on gas cap.

  • 10" x 40"
  • End location filler neck
  • Features female 1/4" NPT threaded outlet fitting
  • 13-1/2 gallon capacity (approximate measurement)
  • Polished stainless steel
  • Designed for Off-Road use 
  • Cap and straps included

Replacement polished aluminum dual slot - 1/4 turn twist-on cap available as # 141-3538.

Note: When installing a fitting or shut-off valve (not included- shown for illustration/reference ONLY), caution must be taken not to over-torque and crack or break the fuel outlet. (See alternate photo)

Warranty Information

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Speedway Motors cannot facilitate the return of defective EMPI products as they have requested to handle these directly with the consumer. For defective product support and Return Authorization, please contact EMPI directly for any post installation issue

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

EMPI 3899 Specifications

KEY SPECS
MFG. Part #3899
BrandEMPI
Fuel Tank StyleSpun/Round
Fuel System TypeCarbureted
Capacity13.5 gallons
Material TypeStainless Steel
FinishPolished
ColorNatural
Sending Unit IncludedNo
Fuel Pump IncludedNo
Tank Straps IncludedYes
Overall Length40"
Overall Width10"
Overall Height13"
Hardware IncludedYes
Overall Diameter10"
Fuel Capacity Range10.00-14.99 Gallons
GENERAL
Sold in QuantityEach
NotesCentered outlet bung on underside of the tank 1413538 CAP 1412929 STRAPS
Fuel TypeGasoline
Outlet Fitting1/4" NPT

Ratings & Reviews

4.8

9 Reviews

Overall Assessment

Customers value the product's high quality, practicality, and key features. Users praised its easy installation and suitability for various projects, such as hot rod pick-up and aviation gas storage. Some customers noted a leaking gas cap issue while in the vehicle, suggesting a possible design flaw. Despite this, the material quality was consistently mentioned positively. The product was described as 'perfect' and 'excellent', creating overall satisfaction among users. Some recommended improved aesthetics for the gas cap.

4.8

9 reviews

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nice!

5.0

3 years ago

Bob

Montreal, canada

Verified

nice tank!

Would Recommend

Did the job perfectly

5.0

3 years ago

Old coyote

Saskatchewan canada

Verified

Worked perfectly

Would Recommend

Great product

5.0

3 years ago

Gordon

Rancho Cucamonga Ca

Verified

Great product and all. Only complaint is the gas cap that leaks when sloshing around in vehicle. I don't know if it's a defective cap or a CARB associated item

Would Recommend

Tank

4.0

4 years ago

Tony

Pennsylvania

Verified

Haven't installed it yet but the quality seems good

Would Recommend

High quality fitting that mounted perfectly on fuel tank.

5.0

4 years ago

Pete

Tehachapi, Ca.

Verified

Great product.

i feel secure in a purchase with speedway items are quality

5.0

6 years ago

Speedwheelie

PA

Verified

as always a fine quality product

Would Recommend

This tank was perfect

5.0

9 years ago

Sanford Speed Shop

Kentucky

Verified

It's came exactly as described, get part and great service

Would Recommend

Great quality

4.0

10 years ago

Tattoo Tubby

Lisbon, OH

Verified

Perfect for my hot rod pick up project. Easy to install. The only thing I dislike is the ugly plastic gas cap.

Would Recommend

Excellent

5.0

11 years ago

Rich

new York

Verified

Used to store aviation gas

Would Recommend

Showing 9 of 9 reviews

Questions & Answers

5 Questions • 14 Answers

Do you make a 20 gal tank the same diameter?

by rick

• 7 years ago

1 answer

Is there a sending unit available for this tank and, if so, how much is it? Thanks.

by Brad

• 8 years ago

3 answers

How does this fuel tank mount?

by Brad

• 8 years ago

3 answers

Can it be used for efi?

by Dustin

• 8 years ago

3 answers

does these tanks have baffles?

by jan the man

• 8 years ago

4 answers

5 of 5 questions shown

Customer Impersonation Script