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Spark Plug-Natural DENSO 3121

5.04 product ratings
YES AUTO PARTS (103143)
97.5% positive feedback
Price:
$25.90
Free shipping
Estimated delivery Wed, Oct 1 - Tue, Oct 7
Returns:
60 days returns. Seller pays for return shipping.
Condition:
New
CHOOSE CONSISTENT COMBUSTION: the DENSO Standard Spark Plug employs a unique, channeled ground electrode designed to generate a larger spark nucleus at the point of ignition. IMPROVE THROTTLE RESPONSE: this spark plug fires leaner mixtures than conventional plugs and improves throttle response.

About this product

Product Identifiers

BrandDENSO
Manufacturer Part Number3121
eBay Product ID (ePID)79036982

Additional Product Features

NotesDescription--U-groove Conventional
Sub TypeSpark Plug
Part TypeSecondary Ignition

All listings for this product

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New
Denso Spark Plug 3121
item 1 Denso Spark Plug 3121
$3.95
Free shipping
Spark Plug DENSO 3121
item 2 Spark Plug DENSO 3121
$3.95
Free shipping
Spark Plug-Natural DENSO 3121
item 3 Spark Plug-Natural DENSO 3121
$4.37
Free shipping
Resistor Spark Plug DENSO 3121
item 4 Resistor Spark Plug DENSO 3121
$4.43
Free shipping
Resistor Spark Plug DENSO 3121
item 5 Resistor Spark Plug DENSO 3121
$4.82
Free shipping
Resistor Spark Plug DENSO 3121
item 6 Resistor Spark Plug DENSO 3121
$4.90
Free shipping
DENSO 3121 Spark Plug (1 Spark Plug Only)
item 7 DENSO 3121 Spark Plug (1 Spark Plug Only)
$6.79
Free shipping
Spark Plug-Natural DENSO 3121
item 8 Spark Plug-Natural DENSO 3121
$2.55
Resistor Spark Plug DENSO 3121
item 9 Resistor Spark Plug DENSO 3121
$7.52
Free shipping
Resistor Spark Plug DENSO 3121
item 10 Resistor Spark Plug DENSO 3121
$8.28
Free shipping
Resistor Spark Plug DENSO 3121
item 11 Resistor Spark Plug DENSO 3121
$8.33
Free shipping
Resistor Spark Plug DENSO 3121
item 12 Resistor Spark Plug DENSO 3121
$8.42
Free shipping
DENSO 3121 Standard U-Groove Spark Plug for M05269899 M04671057 K20PR-U11 ax
item 13 DENSO 3121 Standard U-Groove Spark Plug for M05269899 M04671057 K20PR-U11 ax
$8.66
Free shipping
Resistor Spark Plug DENSO 3121
item 14 Resistor Spark Plug DENSO 3121
$8.78
Free shipping
Spark Plug-Natural DENSO 3121
item 15 Spark Plug-Natural DENSO 3121
$2.79
+$6.00 shipping
U-Groove Resistor Spark Plug Nickel DENSO 3121 K20PR-U11
item 16 U-Groove Resistor Spark Plug Nickel DENSO 3121 K20PR-U11
$8.99
Free shipping
Spark Plug for SLK55 AMG, 911, 9-3, 9-5, Legacy, Outback, Aveo, Aveo5+More 3121
item 17 Spark Plug for SLK55 AMG, 911, 9-3, 9-5, Legacy, Outback, Aveo, Aveo5+More 3121
$9.36
Free shipping
# 3121 DENSO Spark Plug
item 18 # 3121 DENSO Spark Plug
$9.58
Free shipping
Resistor Spark Plug DENSO 3121
item 19 Resistor Spark Plug DENSO 3121
$9.60
Free shipping
Resistor Spark Plug DENSO 3121
item 20 Resistor Spark Plug DENSO 3121
$10.62
Free shipping
Spark Plug-Natural DENSO 3121
item 21 Spark Plug-Natural DENSO 3121
$10.76
Free shipping
Spark Plug-Natural DENSO 3121
item 22 Spark Plug-Natural DENSO 3121
$10.77
Free shipping
2 pc DENSO 3121 Standard U-Groove Spark Plugs for M05269899 M04671057 yz
item 23 2 pc DENSO 3121 Standard U-Groove Spark Plugs for M05269899 M04671057 yz
$11.42
Free shipping
One New DENSO Auto Parts Spark Plug 3121
item 24 One New DENSO Auto Parts Spark Plug 3121
$11.42
Free shipping
Resistor Spark Plug DENSO 3121
item 25 Resistor Spark Plug DENSO 3121
$11.42
Free shipping
Spark Plug-Natural DENSO 3121
item 26 Spark Plug-Natural DENSO 3121
$11.50
Free shipping
One New Denso Resistor Spark Plug 3121 for Subaru & more
item 27 One New Denso Resistor Spark Plug 3121 for Subaru & more
$12.11
Free shipping
Resistor Spark Plug DENSO 3121
item 28 Resistor Spark Plug DENSO 3121
$12.15
Free shipping
Resistor Spark Plug DENSO 3121
item 29 Resistor Spark Plug DENSO 3121
$12.17
Free shipping
Genuine Denso Spark Plug Standard 3121
item 30 Genuine Denso Spark Plug Standard 3121
$2.73
+$9.99 shipping
Spark Plug-Natural DENSO 3121
item 31 Spark Plug-Natural DENSO 3121
$13.20
Free shipping
Resistor Spark Plug DENSO 3121
item 32 Resistor Spark Plug DENSO 3121
$13.56
Free shipping
4 Spark Plugs-Natural DENSO 3121 (4 pack) K20PR-U11 (1 missing box)
item 33 4 Spark Plugs-Natural DENSO 3121 (4 pack) K20PR-U11 (1 missing box)
$13.99
Free shipping
Spark Plug-Natural DENSO 3121
item 34 Spark Plug-Natural DENSO 3121
$14.87
Free shipping
Set of 5 Spark Plugs Denso For Chevy Chrysler Dodge Mazda Saab Suzuki Volvo
item 35 Set of 5 Spark Plugs Denso For Chevy Chrysler Dodge Mazda Saab Suzuki Volvo
$14.98
Free shipping
4 pc DENSO 3121 Standard U-Groove Spark Plugs for M05269899 M04671057 mw
item 36 4 pc DENSO 3121 Standard U-Groove Spark Plugs for M05269899 M04671057 mw
$16.25
Free shipping
Spark Plug-Natural DENSO 3121
item 37 Spark Plug-Natural DENSO 3121
$9.99
+$6.30 shipping
Spark Plug-Natural DENSO 3121
item 38 Spark Plug-Natural DENSO 3121
$9.99
+$6.30 shipping
Spark Plug-Natural DENSO 3121
item 39 Spark Plug-Natural DENSO 3121
$9.99
+$6.30 shipping
Spark Plug-Natural DENSO 3121
item 40 Spark Plug-Natural DENSO 3121
$16.37
Free shipping
4 Pack - Denso 3121 / K20PR-U11 Spark Plug Nickel Resistor (NEW)
item 41 4 Pack - Denso 3121 / K20PR-U11 Spark Plug Nickel Resistor (NEW)
$16.95
Free shipping
Set of 4 DENSO 3121 K20PR-U11 U-Groove Resistor Spark Plug Nickel
item 42 Set of 4 DENSO 3121 K20PR-U11 U-Groove Resistor Spark Plug Nickel
$17.65
Free shipping
Set of 5 Spark Plugs Denso For Chevy Chrysler Dodge Mazda Saab Suzuki Volvo
item 43 Set of 5 Spark Plugs Denso For Chevy Chrysler Dodge Mazda Saab Suzuki Volvo
$17.95
Free shipping
For Subaru Impreza 1993-2004 Denso 3121 Original U-Groove Nickel Spark Plug
item 44 For Subaru Impreza 1993-2004 Denso 3121 Original U-Groove Nickel Spark Plug
$18.50
Free shipping
Spark Plug-Natural DENSO 3121
item 45 Spark Plug-Natural DENSO 3121
$18.95
Free shipping
Genuine Denso Spark Plug Standard 3121
item 46 Genuine Denso Spark Plug Standard 3121
$2.12
+$16.99 shipping
4 Pack Spark Plugs Denso 3121 Nickel Resistor for 1993-2002 Mazda 626 L4-2.0L
item 47 4 Pack Spark Plugs Denso 3121 Nickel Resistor for 1993-2002 Mazda 626 L4-2.0L
$19.65
Free shipping
4 Pack Denso Nickel Resistor Spark Plugs for 1994-1997 Mazda Miata L4-1.8L
item 48 4 Pack Denso Nickel Resistor Spark Plugs for 1994-1997 Mazda Miata L4-1.8L
$19.90
Free shipping
4 Pack Denso Nickel Resistor Spark Plugs for 1995-1997 kia Sportage L4-2.0L
item 49 4 Pack Denso Nickel Resistor Spark Plugs for 1995-1997 kia Sportage L4-2.0L
$19.90
Free shipping
4 Pack Denso Nickel Resistor Spark Plugs for 1993-1997 Subaru Impreza H4-1.8L
item 50 4 Pack Denso Nickel Resistor Spark Plugs for 1993-1997 Subaru Impreza H4-1.8L
$19.90
Free shipping
4 Pack Denso Nickel Resistor Spark Plugs for 1996-1999 Chrysler Sebring L4-2.0L
item 51 4 Pack Denso Nickel Resistor Spark Plugs for 1996-1999 Chrysler Sebring L4-2.0L
$19.90
Free shipping
4 Pack Denso Nickel Resistor Spark Plugs for 1999-2001 Suzuki Vitara L4-1.6L
item 52 4 Pack Denso Nickel Resistor Spark Plugs for 1999-2001 Suzuki Vitara L4-1.6L
$19.90
Free shipping
4 Pack Denso Nickel Resistor Spark Plugs for 2001-2003 Mazda Protege L4-2.0L
item 53 4 Pack Denso Nickel Resistor Spark Plugs for 2001-2003 Mazda Protege L4-2.0L
$19.90
Free shipping
4 Pack Denso Nickel Resistor Spark Plugs for 1996-2009 Subaru Legancy H4-2.5L
item 54 4 Pack Denso Nickel Resistor Spark Plugs for 1996-2009 Subaru Legancy H4-2.5L
$19.90
Free shipping
4 Pack Denso Nickel Resistor Spark Plugs for 1996-1997 kia Sephia L4-1.6L
item 55 4 Pack Denso Nickel Resistor Spark Plugs for 1996-1997 kia Sephia L4-1.6L
$19.90
Free shipping
4 Pack Denso Nickel Resistor Spark Plugs for 2003 Mazda Tribute L4-2.0L
item 56 4 Pack Denso Nickel Resistor Spark Plugs for 2003 Mazda Tribute L4-2.0L
$19.90
Free shipping
4 Pack Denso Nickel Resistor Spark Plugs for 1998-1999 Suzuki Swift L4-1.3L
item 57 4 Pack Denso Nickel Resistor Spark Plugs for 1998-1999 Suzuki Swift L4-1.3L
$19.90
Free shipping
4 Pack Denso Nickel Resistor Spark Plugs for 1990-1993 Mazda Miata L4-1.6L
item 58 4 Pack Denso Nickel Resistor Spark Plugs for 1990-1993 Mazda Miata L4-1.6L
$19.90
Free shipping
4 Pack Denso Nickel Resistor Spark Plugs for 1992 Isuzu Stylus L4-1.8L
item 59 4 Pack Denso Nickel Resistor Spark Plugs for 1992 Isuzu Stylus L4-1.8L
$19.90
Free shipping
listings for this product

Ratings and Reviews

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5.0
4 product ratings
  • 4 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

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