Preheat the oven to 325F/ 165C. Grease a 9x5 inch loaf pan and line with parchment paper going up the sides. (This will make it super easy to remove the loaf.) Set aside.
In a medium,bowl, combine all the streusel ingredients and mix with your fingers or a fork until it resembles coarse crumbs (a few bigger chunks is a good thing.) Set in the refrigerator while you make the batter.
Begin by tossing the chopped apples in a small bowl with the flour, brown sugar and cinnamon.
Then in a large bowl, add both the sugars, the cinnamon, salt, cloves and nutmeg. Stir to combine. Then using a spatula, stir in the pumpkin puree, eggs, grapeseed oil and vanilla.
Once the wet ingredients are completely combined, fold in the dry- the flour, baking powder and baking soda. When almost combined but a few streaks of flour still remain, fold in 3/4's of the apples.
Pour the batter into the prepared loaf pan. Sprinkle the remaining apples on top then sprinkle the streusel topping evenly over the batter. Bake the bread for 1 hour to 1 hour 10 minutes or until a toothpick inserted into the center comes out clean or with only a few crumbs attached.
Remove the loaf from oven and cool 10-15 minutes in the pan on a wire rack. Then remove the bread from the pan and continue to cool on the wire rack. Serve warm or at room temperature.
*The bread can be stored, covered with plastic wrap at room temperature for a couple days or refrigerated a week.