How to service and repair spark plugs on GMC Savana 3500?

Services and repairs of the spark plugs start with disconnecting the Spark Plug Wires. Each Spark Plug can be loosened by one or two turn before you access the wheel wells. Clear the spark plugs' surroundings by using either a brush along with an air jet. The service and repair process begins with taking out each Spark Plug individually and keeping them in marked trays according to cylinder order. You should position Spark Plug washers correctly while measuring gaps and readjust according to the 1.524 mm (0.060 in) specification. The tightening torque for (IRON Head-all Subsequent Installations) spark plugs should be set to 15 n.m (11 lb ft) for 4.3l, 5.0l, and 5.7l engines and 20 n.m (15 lb ft) for 7.4l engines. The correct torque specification for installing new spark plugs onto an iron head engine is 30 n.m (22 lb ft), which includes all engine sizes. The completion step involves reinstalling all Spark Plug Wires.

How to replace spark plugs on GMC Savana 3500?

Spark plugs require replacement by first removing electric wires and slightly loosening each plug installation by 1 or 2 turns. Before removing the spark plugs one by one the technician should clean dust from their surroundings using either a brush or air compressor and place each plug into a labeled tray according to the cylinder order. When inspecting the Spark Plug gap users must modify its placement to achieve 1.524 mm (0.060 inch). Start each Spark Plug by hand before tightening to 15 nm if using used heads or 20 nm for new aluminum heads while new iron heads need 30 nm torque. Reinstall all Spark Plug Wires before concluding.

OEM GMC Savana 3500 Spark Plug

Ignition Spark Plug

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GMC Savana 3500 Glow Plug Part Number: 12639701
$25.20 MSRP: $45.00
You Save: $19.80 (44%)
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Product Specifications
- Other Name: Glow Plug, Glow; Diesel Glow Plug; Glow Plug, Spark Ignition
- Replaces: 97364968
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2016 GMC Savana 3500 | Base, LS, LT | 8 Cyl 6.6 L DIESEL
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GMC Savana 3500 Spark Plug Part Number: 12680072
$9.22 MSRP: $16.46
You Save: $7.24 (44%)
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Product Specifications
- Other Name: Spark Plug Assembly-Gasoline Engine Ignition; Spark Plug, Spark Ignition; Spark Plug,Glow
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2020 GMC Savana 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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GMC Savana 3500 Spark Plug Part Number: 12622441
$9.45 MSRP: $16.88
You Save: $7.43 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Spark Plug Assembly; Spark Plug, Spark Ignition; Spark Plug,Glow
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 GMC Savana 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS
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GMC Savana 3500 Spark Plug Part Number: 19417055
$9.53 MSRP: $17.02
You Save: $7.49 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Spark Plug Assembly, Gasoline Engine Ignition; Spark Plug, Spark Ignition; Spark Plug,Glow
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2010 GMC Savana 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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GMC Savana 3500 Spark Plug Part Number: 19299585
$7.71 MSRP: $13.76
You Save: $6.05 (44%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Spark Plug, Spark Ignition
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 GMC Savana 3500 | Base, LS, LT, SLE | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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GMC Savana 3500 Glow Plug Part Number: 12563554
$18.86 MSRP: $33.68
You Save: $14.82 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Glow Plug, Spark Ignition; Diesel Glow Plug
- Replaces: 25168651
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 GMC Savana 3500 | Base, SLE, SLT | 8 Cyl 6.5 L DIESEL
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GMC Savana 3500 Glow Plug Part Number: 55589332
$54.87 MSRP: $97.98
You Save: $43.11 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Glow Plug, Glow; Glow Plug, Spark Ignition; Glow Plug,Glow
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 GMC Savana 3500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL

GMC Savana 3500 Spark Plug

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GMC Savana 3500 Spark Plug Parts and Q&A

Glow Plug
12563554
Q: How to service and repair spark plugs on GMC Savana 3500?
A:
Services and repairs of the spark plugs start with disconnecting the Spark Plug Wires. Each Spark Plug can be loosened by one or two turn before you access the wheel wells. Clear the spark plugs' surroundings by using either a brush along with an air jet. The service and repair process begins with taking out each Spark Plug individually and keeping them in marked trays according to cylinder order. You should position Spark Plug washers correctly while measuring gaps and readjust according to the 1.524 mm (0.060 in) specification. The tightening torque for (IRON Head-all Subsequent Installations) spark plugs should be set to 15 n.m (11 lb ft) for 4.3l, 5.0l, and 5.7l engines and 20 n.m (15 lb ft) for 7.4l engines. The correct torque specification for installing new spark plugs onto an iron head engine is 30 n.m (22 lb ft), which includes all engine sizes. The completion step involves reinstalling all Spark Plug Wires.
Spark Plug
19299585
Q: How to replace spark plugs on GMC Savana 3500?
A:
Spark plugs require replacement by first removing electric wires and slightly loosening each plug installation by 1 or 2 turns. Before removing the spark plugs one by one the technician should clean dust from their surroundings using either a brush or air compressor and place each plug into a labeled tray according to the cylinder order. When inspecting the Spark Plug gap users must modify its placement to achieve 1.524 mm (0.060 inch). Start each Spark Plug by hand before tightening to 15 nm if using used heads or 20 nm for new aluminum heads while new iron heads need 30 nm torque. Reinstall all Spark Plug Wires before concluding.